1998 SA4
1998SA4, 2000 GK17, 2000GK17, A1171, J98S04A, K00G17K
All data for this body: [vot]
MPC data
| Name (number) |
1998 SA4 (101171) |
| a |
2.39914 |
| e |
0.16006 |
| i / sin(i) |
2.1411 /
0.03736
|
| q |
2.01513
|
| Q |
2.78314
|
| ω |
16.7284 |
| Node |
39.2538 |
| m |
31.7079 |
| n |
0.2652 |
| Epoch |
2460800.5 |
| nobs |
1148 |
| nopp |
17 |
| Years observed |
1998-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
Massalia (20) |
|
| |
|
|
| ap |
2.399 |
|
| ep |
0.149 |
|
| sin(ip) |
0.029 |
|
| G |
0.150 |
|
| H |
16.230 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 20 |
Massalia |
404 |
Massalia |
-0.2700 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3989 |
0.1489 |
0.0288 |
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 |
| 16.23 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |