2001 WA87
2001WA87, 1981 AU2, 1981AU2, 1998 FF93, 1998FF93, 39325, J81A02U, J98F93F, K01W87A
All data for this body: [vot]
MPC data
| Name (number) |
2001 WA87 (39325) |
| a |
2.58681 |
| e |
0.21247 |
| i / sin(i) |
5.7015 /
0.09935
|
| q |
2.03719
|
| Q |
3.13643
|
| ω |
10.0494 |
| Node |
92.8330 |
| m |
236.1303 |
| n |
0.2369 |
| Epoch |
2460800.5 |
| nobs |
2055 |
| nopp |
21 |
| Years observed |
1981-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.589 |
|
| ep |
0.173 |
|
| sin(ip) |
0.079 |
|
| G |
0.150 |
|
| H |
14.790 |
|
| Mass |
|
|
| D |
2.65 |
0.060 |
| pV |
0.629 |
0.1004 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
B |
| Spectral Class Score |
1.812 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5886 |
0.1730 |
0.0787 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.65 |
0.060 |
0.060 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.629 |
0.1004 |
0.1004 |
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 |
| 14.79 |
|
|
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 |
| B |
|
0.302 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |