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(51138) 2000 HC45

asteroid
Asteroid Q15162899

Facts

24 properties

Identity

Instance of
asteroid
More facts +23
Follows
(51137) 2000 HS44[4]
Followed by
(51139) 2000 HM45[5]
Absolute magnitude
14.03[12]
Albedo
0.131[23]
Apoapsis
3.296100861073009 au[18]
Argument of periapsis
288.4993697366942°[20]
Diameter
6.089 km[22]
Discoverer or inventor
Lowell Observatory Near-Earth-Object Search[2]
Epoch
May 5, 2025
Longitude of ascending node
55.70846259068428°[16]
Mean anomaly
181.8428014983439°[21]
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.1055886907855559[11]
Orbital inclination
10.57470351369939°[13]
Orbital period
1,880.220504487756 day[14]
Parent astronomical body
Sun[7]
Periapsis
2.666515957539752 au[19]
Provisional designation
2000 HC45, 1997 WW50[8][9]
Rotation period
11.499 h[15]
Semi-major axis of an orbit
2.981308409306381 au[17]
Site of astronomical discovery
Anderson Mesa Station[3]
Time of discovery or invention
April 26, 2000[10]
Time of periapsis
2,461,730.9856045693 Julian day
🏷️ Also known as
en (51138) 2000 HC45 ru 1997 WW50 ru 2000 HC45 zh 小行星51138
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20051138
Minor Planet Center body ID
51138

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Summary

(51138) 2000 HC45 is an asteroid[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). (51138) 2000 HC45. Retrieved May 3, 2026, from https://4ort.xyz/entity/-51138-2000-hc45
MLA “(51138) 2000 HC45.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-51138-2000-hc45.
BibTeX @misc{4ortxyz_-51138-2000-hc45_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(51138) 2000 HC45}}, year = {2026}, url = {https://4ort.xyz/entity/-51138-2000-hc45}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (51138) 2000 HC45 — https://4ort.xyz/entity/-51138-2000-hc45 (retrieved 2026-05-03)

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