1987 SR9
1987SR9, 1987 RL, 1987RL, 1998 XJ66, 1998XJ66, 2001 KG73, 2001KG73, 26820, J87R00L, J87S09R, J98X66J, K01K73G
All data for this body: [vot]
MPC data
| Name (number) |
1987 SR9 (26820) |
| a |
2.32256 |
| e |
0.24984 |
| i / sin(i) |
4.1830 /
0.07294
|
| q |
1.74229
|
| Q |
2.90283
|
| ω |
275.5356 |
| Node |
39.3180 |
| m |
252.8017 |
| n |
0.2785 |
| Epoch |
2460800.5 |
| nobs |
1392 |
| nopp |
22 |
| Years observed |
1987-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.324 |
|
| ep |
0.212 |
|
| sin(ip) |
0.070 |
|
| G |
0.150 |
|
| H |
15.420 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3235 |
0.2125 |
0.0701 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 15.42 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |