8581 Johnen
asteroid
nimetatud ... järgi
Mount Jōnen
eelneb
8580 Pinsky[4]
järgneb
8582 Kazuhisa[4]
oluline sündmus
Nimepanek
avastamise aeg
28. detsember 1996[3]
site of astronomical discovery
Chichibu Observatory[5]
minor planet group
parent astronomical body
apoapsis
2,953 astronoomiline ühik[6]
periapsis
2,7242586 astronoomiline ühik[6]
argument of periapsis
32,66751 kraad[6]
orbital inclination
3,19756 kraad[6]
semi-major axis of an orbit
2,8385031 astronoomiline ühik[6]
longitude of ascending node
74,94118 kraad[6]
albedo
diameter
5,837±0,158 kilomeeter[3]
epoch
September 13, 2023[5]
time of periapsis
Viited
- ↑ Freebase Data Dumps, 28. oktoober 2013
- ↑ JPL Small-Body Database, 22. november 2023
- ↑ 3,0 3,1 3,2 3,3 3,4 3,5 3,6 3,7 3,8 JPL Small-Body Database, 20008581, https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20008581, 22. november 2023
- ↑ 4,0 4,1 4,2 Minor Planet Center Database
- ↑ 5,00 5,01 5,02 5,03 5,04 5,05 5,06 5,07 5,08 5,09 5,10 5,11 JPL Small-Body Database, 20008581, https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20008581, 5. veebruar 2024
- ↑ 6,00 6,01 6,02 6,03 6,04 6,05 6,06 6,07 6,08 6,09 https://www.minorplanetcenter.net/db_search/show_object?object_id=8581