2001 NB2
2001NB2, 1990 QP13, 1990QP13, 54821, J90Q13P, K01N02B
All data for this body: [vot]
MPC data
| Name (number) |
2001 NB2 (54821) |
| a |
2.40503 |
| e |
0.25642 |
| i / sin(i) |
0.7687 /
0.01342
|
| q |
1.78833
|
| Q |
3.02174
|
| ω |
44.6525 |
| Node |
298.3527 |
| m |
105.3237 |
| n |
0.2643 |
| Epoch |
2460800.5 |
| nobs |
1103 |
| nopp |
21 |
| Years observed |
1990-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.405 |
|
| ep |
0.216 |
|
| sin(ip) |
0.033 |
|
| G |
0.150 |
|
| H |
16.140 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
3.508 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4046 |
0.2159 |
0.0328 |
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 |
| 16.14 |
|
|
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 |
| Q |
|
0.12 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |
| S |
S |
0.5847 |
0.5850 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |