1997 GM21
1997GM21, 1998 SE115, 1998SE115, 43981, J97G21M, J98SB5E
All data for this body: [vot]
MPC data
| Name (number) |
1997 GM21 (43981) |
| a |
2.74378 |
| e |
0.20254 |
| i / sin(i) |
1.0794 /
0.01884
|
| q |
2.18806
|
| Q |
3.29950
|
| ω |
288.0038 |
| Node |
355.3642 |
| m |
244.1434 |
| n |
0.2169 |
| Epoch |
2460200.5 |
| nobs |
954 |
| nopp |
20 |
| Years observed |
1997-2023 |
| rms |
0.71 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.744 |
|
| ep |
0.202 |
|
| sin(ip) |
0.030 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.410 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7439 |
0.2019 |
0.0304 |
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 |
| 15.41 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |