(Q722279)

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

imported from Wikimedia project

30 October 2023

named after

Ruanda-Urundi

1 reference

1 reference

Minor Planet Center Database

followed by

1639 Bower

1 reference

Minor Planet Center Database

significant event

naming

0 references

discoverer or inventor

Cyril V. Jackson

2 references

Minor Planet Center Database

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

time of discovery or invention

30 October 2023

3 May 1935

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

site of astronomical discovery

30 October 2023

Union Observatory

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

parent astronomical body

Sun

0 references

apoapsis

3.266 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

3.272131999778302±0.0000000011399 astronomical unit

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

periapsis

2.2347631 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

2.231208080669464±0.000000001539 astronomical unit

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

argument of periapsis

86.35740 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

86.78588110815755±0.0000092325 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

imported from Wikimedia project

25 January 2024

orbital eccentricity

0.19

1 reference

French Wikipedia

Wikimedia import URL

https://fr.wikipedia.org/w/index.php?title=(1638)_Ruanda&oldid=151393552

0.1875298

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

0.1891440296061345±0.00000000063577

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

orbital inclination

0.29272 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

0.2965457601604151±0.000000023977 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

orbital period

4.56 year

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

1,667.220185823689±0.00000087124 day

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

rotation period

4.2397 hour

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

semi-major axis of an orbit

30 October 2023

2.7505784 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

2.751670040223883±0.00000000095863 astronomical unit

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

longitude of ascending node

25 January 2024

200.55640 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

200.492057650769±0.0000092345 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

mean anomaly

117.72605 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

102.9355176841971±0.00000025193 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

asteroid spectral type

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

absolute magnitude

11.6

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1638

11.68

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

0.122±0.026

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

diameter

19.094±0.337 kilometre

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

25 January 2024

time of periapsis

2,459,723.7884042757±0.000006061 Julian day

point in time

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

provisional designation

1912 OX

1 reference

1930 HF

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1931 RA1

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1935 JF

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1939 DF

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1940 QJ

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1944 KC

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1948 EC

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1949 OC

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1952 BK1

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

1972 JH

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

A907 EB

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

A912 HJ

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001638

30 October 2023

Identifiers

1 reference

28 October 2013

1 reference