1998 HR20
1998HR20, 1982 XU, 1982XU, 1987 AT, 1987AT, 2000 VJ50, 2000VJ50, 42668, J82X00U, J87A00T, J98H20R, K00V50J
All data for this body: [vot]
MPC data
| Name (number) |
1998 HR20 (42668) |
| a |
2.33700 |
| e |
0.13608 |
| i / sin(i) |
5.7132 /
0.09955
|
| q |
2.01899
|
| Q |
2.65502
|
| ω |
64.8391 |
| Node |
59.5109 |
| m |
96.1086 |
| n |
0.2759 |
| Epoch |
2460200.5 |
| nobs |
2076 |
| nopp |
20 |
| Years observed |
1982-2023 |
| rms |
0.61 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.337 |
|
| ep |
0.171 |
|
| sin(ip) |
0.087 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.110 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3372 |
0.1712 |
0.0866 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 15.11 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |