2009 QR31
2009QR31, K09Q31R, p5004
All data for this body: [vot]
MPC data
| Name (number) |
2009 QR31 (515004) |
| a |
3.19754 |
| e |
0.16105 |
| i / sin(i) |
28.1155 /
0.47125
|
| q |
2.68257
|
| Q |
3.71250
|
| ω |
168.6928 |
| Node |
168.5363 |
| m |
278.6131 |
| n |
0.1724 |
| Epoch |
2460800.5 |
| nobs |
281 |
| nopp |
10 |
| Years observed |
2001-2025 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.208 |
|
| ep |
0.190 |
|
| sin(ip) |
0.448 |
|
| G |
0.150 |
|
| H |
15.880 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
6.000 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 31 |
Euphrosyne |
0 |
Euphrosyne |
|
Novakovic |
2019EPSC...13.1671N |
HCM |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.2079 |
0.1897 |
0.4480 |
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 |
| 15.88 |
|
|
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 |
|
1.000 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |