2001 QB172
2001QB172, 1999 CA105, 1999CA105, 51940, J99CA5A, K01QH2B
All data for this body: [vot]
MPC data
| Name (number) |
2001 QB172 (51940) |
| a |
2.79042 |
| e |
0.20208 |
| i / sin(i) |
7.9399 /
0.13814
|
| q |
2.22653
|
| Q |
3.35431
|
| ω |
298.8618 |
| Node |
201.9096 |
| m |
220.6072 |
| n |
0.2114 |
| Epoch |
2460800.5 |
| nobs |
2153 |
| nopp |
23 |
| Years observed |
1996-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.794 |
|
| ep |
0.226 |
|
| sin(ip) |
0.151 |
|
| G |
0.150 |
|
| H |
14.280 |
|
| Mass |
|
|
| D |
4.53 |
0.711 |
| pV |
0.198 |
0.0730 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
3.326 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7942 |
0.2263 |
0.1512 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.53 |
0.711 |
0.711 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.198 |
0.0730 |
0.0730 |
Masiero |
2011ApJ...741...68M |
NEATM |
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 |
| 14.28 |
|
|
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 |
| S |
S |
0.5544 |
0.4860 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |