1999 GG21
1999GG21, 42803, J99G21G
All data for this body: [vot]
MPC data
| Name (number) |
1999 GG21 (42803) |
| a |
2.76749 |
| e |
0.13980 |
| i / sin(i) |
10.2916 /
0.17866
|
| q |
2.38061
|
| Q |
3.15438
|
| ω |
329.5168 |
| Node |
116.4204 |
| m |
209.8888 |
| n |
0.2141 |
| Epoch |
2460200.5 |
| nobs |
2675 |
| nopp |
24 |
| Years observed |
1951-2023 |
| rms |
0.58 |
Best values
|
Value |
Standard error |
| Parent |
Gefion (1272) |
|
| |
|
|
| ap |
2.769 |
|
| ep |
0.140 |
|
| sin(ip) |
0.159 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.380 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1272 |
Gefion |
516 |
Gefion |
-0.4800 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7689 |
0.1397 |
0.1589 |
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 |
| 13.38 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |