1999 RQ221
1999RQ221, 1998 FO107, 1998FO107, 42912, J98FA7O, J99RM1Q
All data for this body: [vot]
MPC data
| Name (number) |
1999 RQ221 (42912) |
| a |
2.26862 |
| e |
0.13518 |
| i / sin(i) |
7.1566 /
0.12458
|
| q |
1.96194
|
| Q |
2.57530
|
| ω |
1.1458 |
| Node |
292.6387 |
| m |
244.6442 |
| n |
0.2884 |
| Epoch |
2460800.5 |
| nobs |
1373 |
| nopp |
21 |
| Years observed |
1994-2025 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.269 |
|
| ep |
0.103 |
|
| sin(ip) |
0.133 |
|
| G |
0.150 |
|
| H |
15.710 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2692 |
0.1030 |
0.1331 |
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 |
| 15.71 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |