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(73644) 1978 UD7

asteroid
Place asteroid Q5779427

Facts

24 properties
Instance of
asteroid
Follows
(73643) 1978 UA5[4]
Followed by
(73645) 1978 VX2[5]
Absolute magnitude
14.7[12]
Albedo
0.273[23]
Apoapsis
2.71356922086344[18]
Argument of periapsis
281.0310770582866[20]
Diameter
3.354[22]
Discoverer or inventor
C. Michelle Olmstead[2]
Epoch
November 21, 2025
Longitude of ascending node
8.668421379643844[16]
Mean anomaly
86.59877830934785[21]
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.2118154967981933[11]
Orbital inclination
8.488291018829472[13]
Orbital period
1223.925633775521[14]
Parent astronomical body
Sun[7]
Periapsis
1.764949543805134[19]
Provisional designation
1978 UD7, 1998 SW33[8][9]
Rotation period
45.2519[15]
Semi-major axis of an orbit
2.239259382334287[17]
Site of astronomical discovery
Palomar Observatory[3]
Time of discovery or invention
October 27, 1978[10]
Time of periapsis
2460706.0820427043
🏷️ Also known as
en (73644) 1978 UD7 ru 1978 UD7 ru 1998 SW33 zh 小行星73644
🔖 Identifiers · 3
Google Knowledge Graph ID
/g/123921v4
JPL Small-Body Database SPK-ID
20073644
Minor Planet Center body ID
73644

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🔗 Connections
Discoverer or inventor 1
C. Michelle Olmstead
Epoch 1
November 21, 2025
Followed by 1
(73645) 1978 VX2
Followed by (predecessor) 1
(73645) 1978 VX2
Follows 1
(73643) 1978 UA5
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
(73643) 1978 UA5
Site of astronomical discovery 1
Palomar Observatory
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Summary

(73644) 1978 UD7 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). (73644) 1978 UD7. Retrieved November 2, 2026, from https://4ort.xyz/entity/73644-1978-ud7
MLA “(73644) 1978 UD7.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/73644-1978-ud7.
BibTeX @misc{4ortxyz_73644-1978-ud7_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(73644) 1978 UD7}}, year = {2026}, url = {https://4ort.xyz/entity/73644-1978-ud7}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (73644) 1978 UD7 — https://4ort.xyz/entity/73644-1978-ud7 (retrieved 2026-11-02)

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