SOURCES SOUGHT
A -- STAR TRACKERS AND SUN SHADES
- Notice Date
- 9/25/2003
- Notice Type
- Sources Sought
- Contracting Office
- NASA/Goddard Space Flight Center, Code 210.S, Greenbelt, MD 20771
- ZIP Code
- 20771
- Solicitation Number
- 03-GFH-SS-006
- Response Due
- 10/10/2003
- Archive Date
- 9/25/2004
- Point of Contact
- Kathleen M Tennant, Contract Specialist, Phone (301) 286-9378, Fax (301) 286-1779, Email Kathleen.M.Tennant@nasa.gov
- E-Mail Address
-
Email your questions to Kathleen M Tennant
(Kathleen.M.Tennant@nasa.gov)
- Description
- NASA/GSFC is hereby soliciting information for potential sources for Star Trackers and Sun Shade assemblies for the Solar Dynamics Observatory (SDO) Project of NASA/GSFC. SDO is the first mission under the Living with a Star (LWS) Program as part of the Sun Earth Connection (SEC). SDO will be made up of several instruments seeking to characterize the dynamic state of the Sun and enhance our understanding of the solar process and space weather. SDO is viewed as a follow on to the highly successful Solar and Heliospheric Observatory (SOHO) mission. SDO will be in a circular geosynchronous orbit of ~105 degrees longitude and with an inclination of 28.5 degrees. SDO will also have a mission life requirement of 5 years, with a possible goal of 10 years. The estimated TID requirement is 40 krads for 200 mils of ST shielding, and 400 krads for 100 mils. SDO will be a three-axis stabilized satellite with spacecraft attitude knowledge requirements of < 25 arcsec. The observatory will operate on 28 +/- 7 V power and 1553 data interface. SDO is interested in star trackers with either flight heritage or a direct traceability to a lineage with flight heritage that can provide a quaternion solution and sun shades that provide at least a 55 degree sun exclusion angle. No significant Non-Recurring Engineering (NRE) funds will be available to mature a new design to a flight qualified unit. The SDO Project is interested in possibly procuring approximately two star trackers, appropriate sun shades, and pertinent life test data. Requested information is as follows: STAR TRACKER: MECHANICAL {Mass (kg), Size Envelope (cm), Vibration levels for qualification and acceptance (Grms), Description of mechanical interface/mounting (drawings requested), Description of optical reference (Alignment reference and resultant mounting accuracy),} ELECTRICAL {Description of electrical interface (voltage protection features), Description of power interface(s), Steady State Power consumption (W), Peak Power consumption (W), Inrush current (A), Input voltage range (+/- V dc)} THERMAL {(General interface, survival temperature range (deg C), Operational temperature range (deg C), thermal dissipation (W) during steady state operation and any other significant operational mode(s)}DATA ACQUISITION {Definition of the quaternion output, Number of stars simultaneously acquired and tracked (minimum and maximum). Type(s) of command and data interface, definition of the 1553 interface (if available), Description of input commands and output telemetry (Command and Data Interface Control Document requested), Description of star catalog provided or needed (Number of stars, magnitude), Attitude determination time (sec), Search Time (sec), Attitude Solution Update rate (Hz)} STAR VECTOR ACCURACY {Position resolution (arc sec), Random and total spatial error (arc sec), Star intensity output (range), sensitivity (colors), resolution, and accuracy (3 sigma), Probability of star detection, Specify if any of these parameters degrade over time due to degredation of optics in the GEO environment (If so, specify the end of life parameters),} RELIABILITY {Mean Time Between Failure, State of component development. Component design lifetime both in storage and on orbit (years), Number of hours of failure free operations both on orbit and during life-test, Estimate of electromagnetic interference (EMI)} RADIATION {Total Dose at the part level (krad), Immunity (MeV), at the parts level, to single event effects (SEE) and single event latch-up (SEL)} COST AND SCHEDULE {Typical cost and schedule for manufacturing, assembly, test and delivery, including shade.} SUN SHADE, Sun exclusion angle (deg from star tracker boresight), Earth interference angle (deg from star tracker boresight), Moon interference angle (deg from star tracker boresight), Dimensions (cm), Mass (kg), Mechanical interface(drawings requested), Thermal Interface(s), Sunshade analysis and testing methods. Pertinent information concerning glint rejection as well as specific information on heritage shade performance and performance verification procedures. Please note any operational difficulties and subsequent design corrections. A list of heritage missions using the component is requested, with specific interest in previous uses at the, geostationary/ geosynchronous environment. If the currently available components differ from these heritage units, please briefly describe the design changes. No solicitation exists; therefore, do not request a copy of the solicitation. If a solicitation is released it will be synopsized in FedBizOpps and on the NASA Acquisition Internet Service. It is the potential offeror's responsibility to monitor these sites for the release of any solicitation or synopsis. Interested offerors/vendors having the required specialized capabilities to meet or exceed the above requirement should submit a capability statement of 15 pages or less indicating the ability to perform all aspects of the effort described herein. In addition, interested offerors/vendors may provide any relevant catalogs or other published product literature that may be generally available in hard copy form or on-line. There is no page limit for this information. Interested offeror's with solutions that do not meet all specifications are encouraged to respond and note exceptions. This is especially true of existing designs where, if requirements are relieved, there are substantial savings. Responses must include the following: name and address of firm, size of business; average annual revenue for past 3 years and number of employees; ownership; whether they are large, small, small disadvantaged, 8(a), HUBZone, and/or woman-owned; number of years in business; affiliate information: parent company, joint venture partners, potential teaming partners, prime contractor (if potential sub) or subcontractors (If potential prime); list of customers covering the past five years (highlight relevant work performed, contract numbers, contract type, dollar value of each procurement, and point of contact - including address and phone number). If you respond via regular mail or facsimile, please provide an electronic copy in Microsoft Word format in addition to the printed version of your submission. Technical and procurement related questions should be directed as described below: Technical Questions: Noble G. Jones - Address: Mail Stop 596, NASA/GSFC, Greenbelt, Maryland 20771; Email noble.g.jones@nasa.gov Phone: (301) 286-2206; Facsimile: (301) 286-3823 Procurement Questions: Kathleen Tennant - Address: Mail Stop 464, NASA/GSFC, Greenbelt, Maryland 20771; E-Mail: Kathleen.M.Tennant@nasa.gov Please advise if the requirement is considered to be a commercial or commercial-type product. A commercial item is defined in Internet "Note A". [INTERNET ONLY (commercial product definition)]. If the requirement is considered to be a commercial-type product, please include information on customary practices regarding customizing, modifying, or tailoring of items to meet customer needs and associated costs. This synopsis is for information and planning purposes and is not to be construed as a commitment by the Government nor will the Government pay for information solicited. Respondents will not be notified of the results of the evaluation. Respondents deemed fully qualified will be considered in any resultant solicitation for the requirement. The Government reserves the right to consider a small business or 8(a) set-aside based on responses hereto. All responses shall be submitted to Mr. Noble G. Jones at the address indicated above, no later than October 10, 2003. Please reference 03-GFH-SS-006 in any response. Any referenced notes may be viewed at the following URLs linked below.
- Web Link
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