1999 XC21
1999XC21, 43103, J99X21C
All data for this body: [vot]
MPC data
| Name (number) |
1999 XC21 (43103) |
| a |
2.47166 |
| e |
0.20689 |
| i / sin(i) |
6.0115 /
0.10473
|
| q |
1.96031
|
| Q |
2.98301
|
| ω |
159.5850 |
| Node |
217.9666 |
| m |
56.5577 |
| n |
0.2536 |
| Epoch |
2460200.5 |
| nobs |
1128 |
| nopp |
19 |
| Years observed |
1997-2023 |
| rms |
0.66 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.472 |
|
| ep |
0.176 |
|
| sin(ip) |
0.114 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.650 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4719 |
0.1760 |
0.1142 |
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 |
| 15.65 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |