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7816 Hanoi

asteroid
Place Asteroid Q1156705

Facts

25 properties

Identity

Instance of
asteroid
More facts +24
Follows
7815 Dolon[5]
Followed by
7817 Zibiturtle[6]
Absolute magnitude
+15.0, +15.14[16][17]
Albedo
+0.20
Apoapsis
+2.996, +2.996413852365945
Argument of periapsis
+170.85691, +170.9078784843233
Discoverer or inventor
Masahiro Koishikawa[2]
Epoch
November 21, 2025
Longitude of ascending node
+222.96372, +222.9164909065548[23]
Mean anomaly
+239.97811, +304.1450389989684
Minor planet group
Mars-crossing asteroid[7]
Named after
Hanoi[4]
Orbital eccentricity
0.29 (0.29–0.29, n=3)[13][14][15]
Orbital inclination
+2.38596, +2.387296957025301[18][19]
Orbital period
+3.52, +1285.783400496673[20][21]
Parent astronomical body
Sun[8]
Periapsis
+1.6324678, +1.631759181174413
Provisional designation
1987 YA, 1994 VB1[9][10]
Rotation period
+5.17[22]
Semi-major axis of an orbit
+2.3144536, +2.314086516770179
Significant event
naming[12]
Site of astronomical discovery
Sendai Astronomical Observatory[3]
Time of discovery or invention
December 18, 1987[11]
Time of periapsis
+2461199.9927269183
🏷️ Also known as
en 7816 Hanoi en Hanoi de 1987 YA de (7816) Hanoï es (7816) Hanoi fa سیارک ۷۸۱۶ ja ハノイ ru 1987 YA ru 1994 VB1 ru (7816) 1987 YA ru Hanoi zh 小行星7816
🔖 Identifiers · 3
Freebase ID
/m/03y38s0
JPL Small-Body Database SPK-ID
20007816
Minor Planet Center body ID
7816

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Discoverer or inventor 1
Masahiro Koishikawa
Epoch 1
November 21, 2025
Followed by 1
7817 Zibiturtle
Followed by (predecessor) 1
7817 Zibiturtle
Instance of 1
asteroid
Minor planet group 1
Mars-crossing asteroid
Named after 1
Hanoi
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Sendai Astronomical Observatory
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Summary

7816 Hanoi is an asteroid[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . Minor Planet Center database. 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] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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). 7816 Hanoi. Retrieved November 8, 2026, from https://4ort.xyz/entity/7816-hanoi
MLA “7816 Hanoi.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/7816-hanoi.
BibTeX @misc{4ortxyz_7816-hanoi_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{7816 Hanoi}}, year = {2026}, url = {https://4ort.xyz/entity/7816-hanoi}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 7816 Hanoi — https://4ort.xyz/entity/7816-hanoi (retrieved 2026-11-08)

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