1999XP1
1975VO3, 1991RQ25, 21973, J75V03O, J91R25Q, J99X01P
All data for this body: [vot]
MPC data
| Name (number) |
1999XP1 (21973) |
| Packed designation |
21973 |
| a |
2.52869 |
| e |
0.16068 |
| i / sin(i) |
6.4684 /
0.11266
|
| q |
2.12238
|
| Q |
2.93500
|
| ω |
8.5138 |
| Node |
59.4792 |
| m |
151.0545 |
| n |
0.2451 |
| Epoch |
2459600.5 |
| nobs |
1700 |
| nopp |
19 |
| Years observed |
1951-2021 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.528 |
|
| ep |
0.146 |
|
| sin(ip) |
0.095 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.360 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5284 |
0.1463 |
0.0953 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 14.36 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |