21460 Ryozo (Q2614135)

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

1 reference

Minor Planet Center Database

followed by

21461 Alexchernyak

1 reference

Minor Planet Center Database

significant event

naming

0 references

discoverer or inventor

Tomimaru Okuni

2 references

Minor Planet Center Database

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

time of discovery or invention

20 December 2023

30 April 1998

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

site of astronomical discovery

20 December 2023

Nanenskaya Observatory

1 reference

minor planet group

asteroid belt

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

parent astronomical body

Sun

0 references

apoapsis

2.750 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

2.749288320138847±0.0000000056454 astronomical unit

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

periapsis

1.8167016 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

1.819513148264008±0.000000014711 astronomical unit

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

argument of periapsis

131.58075 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

131.7716005672453±0.0000023136 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

imported from Wikimedia project

19 February 2024

orbital eccentricity

0.20

1 reference

French Wikipedia

Wikimedia import URL

https://fr.wikipedia.org/w/index.php?title=(21460)_Ryozo&oldid=139122878

0.2043669

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

0.2035052690087377±0.0000000068705

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

orbital inclination

2.26744 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

2.267398558466358±0.000000071995 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

19 February 2024

orbital period

3.45 year

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

1,261.121307588089±0.0000038844 day

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

semi-major axis of an orbit

20 December 2023

2.2833407 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

2.284400734201427±0.0000000046908 astronomical unit

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

longitude of ascending node

20 December 2023

122.96542 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

122.9464978018569±0.0000024868 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

19 February 2024

mean anomaly

8.80433 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

105.699177285302±0.00000041131 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

19 February 2024

absolute magnitude

15.1

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=21460

15.29

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

time of periapsis

2,459,830.2236614544±0.000013476 Julian day

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

provisional designation

1998 HP52

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20021460

20 December 2023

Identifiers

1 reference

28 October 2013

1 reference