1999 RQ221
1999RQ221, 1998 FO107, 1998FO107, 42912, J98FA7O, J99RM1Q
All data for this body: [vot]
MPC data
| Name (number) |
1999 RQ221 (42912) |
| a |
2.27006 |
| e |
0.13399 |
| i / sin(i) |
7.1491 /
0.12445
|
| q |
1.96590
|
| Q |
2.57423
|
| ω |
1.1238 |
| Node |
292.7047 |
| m |
71.6707 |
| n |
0.2882 |
| Epoch |
2460200.5 |
| nobs |
1260 |
| nopp |
20 |
| Years observed |
1994-2023 |
| rms |
0.68 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.269 |
|
| ep |
0.103 |
|
| sin(ip) |
0.133 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.720 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2692 |
0.1030 |
0.1331 |
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 |
| 15.72 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |