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(74985) 1999 TD251

asteroid
Place asteroid Q15187149
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(74985) 1999 TD251

Summary

(74985) 1999 TD251 is an asteroid[1].

Key Facts

  • (74985) 1999 TD251 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (74985) 1999 TD251's instance of is recorded as asteroid[3].
  • (74985) 1999 TD251's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (74985) 1999 TD251 followed (74984) 1999 TW248[5].
  • (74985) 1999 TD251 was followed by (74986) 1999 TZ251[6].
  • (74985) 1999 TD251's minor planet group is recorded as asteroid belt[7].
  • (74985) 1999 TD251's parent astronomical body is recorded as Sun[8].
  • (74985) 1999 TD251's provisional designation is recorded as 1999 TD251[9].
  • (74985) 1999 TD251's provisional designation is recorded as 1977 EN8[10].
  • (74985) 1999 TD251's time of discovery or invention is recorded as October 5, 1999[11].
  • (74985) 1999 TD251's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.136203370607024'}[12].
  • (74985) 1999 TD251's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.29'}[13].
  • (74985) 1999 TD251's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.30472152760005'}[14].
  • (74985) 1999 TD251's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1482.932558838692'}[15].
  • (74985) 1999 TD251's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+349.4137557067552'}[16].
  • (74985) 1999 TD251's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.544965986957556'}[17].
  • (74985) 1999 TD251's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.891598932461407'}[18].
  • (74985) 1999 TD251's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.198333041453706'}[19].
  • (74985) 1999 TD251's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+251.9502660195834'}[20].
  • (74985) 1999 TD251's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+211.6810567262809'}[21].
  • (74985) 1999 TD251's epoch is recorded as October 17, 2024[22].
  • (74985) 1999 TD251's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461211.463861314'}[23].

Body

Designation and Status

(74985) 1999 TD251's instance of is recorded as asteroid[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). (74985) 1999 TD251. Retrieved May 3, 2026, from https://4ort.xyz/entity/-74985-1999-td251
MLA “(74985) 1999 TD251.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-74985-1999-td251.
BibTeX @misc{4ortxyz_-74985-1999-td251_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(74985) 1999 TD251}}, year = {2026}, url = {https://4ort.xyz/entity/-74985-1999-td251}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (74985) 1999 TD251 — https://4ort.xyz/entity/-74985-1999-td251 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-74985-1999-td251 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 17d ago · LiMrBot bot · 2026-05-25 view diff on Wikidata ↗
    Orbital period → {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+
    Apoapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Time of periapsis → {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount':
    Orbital eccentricity → {'unit': '1', 'amount': '+0.136203370607024'}
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 14.29"
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