2009 PR21
2009PR21, ~0GyM, K09P21R
All data for this body: [vot]
MPC data
| Name (number) |
2009 PR21 (685246) |
| a |
3.06952 |
| e |
0.17297 |
| i / sin(i) |
10.6886 /
0.18547
|
| q |
2.53859
|
| Q |
3.60044
|
| ω |
257.3438 |
| Node |
357.6136 |
| m |
44.4914 |
| n |
0.1833 |
| Epoch |
2460800.5 |
| nobs |
105 |
| nopp |
10 |
| Years observed |
2002-2025 |
| rms |
0.83 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.076 |
|
| ep |
0.206 |
|
| sin(ip) |
0.206 |
|
| G |
0.150 |
|
| H |
16.570 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
0.565 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0757 |
0.2059 |
0.2059 |
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 |
| 16.57 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| C |
C |
0.0942 |
0.0942 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |