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(6393) 1990 HM1

asteroid
Place asteroid Q619034

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
6392 Takashimizuno[5]
Followed by
(6394) 1990 QM2[6]
Absolute magnitude
12.1, 12.38[18][19]
Albedo
0.443
Apoapsis
3.563, 3.577125841746005
Argument of periapsis
65.30594, 65.27269468686264
Discoverer or inventor
Hitoshi Shiozawa, Minoru Kizawa[2][3]
Epoch
November 21, 2025
Longitude of ascending node
76.08413, 75.99052460230172
Mean anomaly
46.35209, 180.1723875830444
Minor planet group
asteroid belt[7]
Orbital eccentricity
0.14 (0.13–0.14, n=3)[15][16][17]
Orbital inclination
10.71662, 10.71620063729343[20][21]
Orbital period
5.6, 2039.598429119043[22][23]
Parent astronomical body
Sun[8]
Periapsis
2.743327, 2.717851292934877
Provisional designation
1990 HM1, 1978 EO3, 1979 HL5, 1982 VG1, 1990 JJ1[9][10][11][12][13]
Rotation period
32.7
Semi-major axis of an orbit
3.1529892, 3.147488567340441
Site of astronomical discovery
Fujieda[4]
Time of discovery or invention
April 29, 1990[14]
Time of periapsis
2462019.3225438828
🏷️ Also known as
en (6393) 1990 HM1 hu 1990 HM1 ru 1978 EO3 ru 1979 HL5 ru 1982 VG1 ru 1990 HM1 ru 1990 JJ1 zh 小行星6393
🔖 Identifiers · 4
Freebase ID
/m/0c039c6
JPL Small-Body Database SPK-ID
20006393
Minor Planet Center body ID
6393
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet6393Provisional1990HM1"]

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🔗 Connections
Discoverer or inventor 2
Minoru Kizawa, Hitoshi Shiozawa
Epoch 1
November 21, 2025
Followed by 1
(6394) 1990 QM2
Followed by (predecessor) 1
(6394) 1990 QM2
Follows 1
6392 Takashimizuno
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
6392 Takashimizuno
Site of astronomical discovery 1
Fujieda
← FactGrid item ID 1
Wiktorowo
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Summary

(6393) 1990 HM1 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] ↑ . 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] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . Minor Planet Center 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] ↑ . wikidata.org.
  15. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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). (6393) 1990 HM1. Retrieved November 4, 2026, from https://4ort.xyz/entity/6393-1990-hm1
MLA “(6393) 1990 HM1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/6393-1990-hm1.
BibTeX @misc{4ortxyz_6393-1990-hm1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(6393) 1990 HM1}}, year = {2026}, url = {https://4ort.xyz/entity/6393-1990-hm1}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (6393) 1990 HM1 — https://4ort.xyz/entity/6393-1990-hm1 (retrieved 2026-11-04)

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