1998 RR21
1998RR21, 2003 QB24, 2003QB24, f5706, J98R21R, K03Q24B
All data for this body: [vot]
MPC data
| Name (number) |
1998 RR21 (415706) |
| a |
2.99971 |
| e |
0.24737 |
| i / sin(i) |
5.3005 /
0.09238
|
| q |
2.25767
|
| Q |
3.74174
|
| ω |
156.9986 |
| Node |
185.4021 |
| m |
58.5643 |
| n |
0.1897 |
| Epoch |
2460800.5 |
| nobs |
285 |
| nopp |
13 |
| Years observed |
1998-2025 |
| rms |
0.88 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.993 |
|
| ep |
0.220 |
|
| sin(ip) |
0.093 |
|
| G |
0.150 |
|
| H |
16.590 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
6.488 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9925 |
0.2195 |
0.0931 |
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 |
| 16.59 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |