1981 UW27
1981UW27, 1999 XY200, 1999XY200, H8287, J81U27W, J99XK0Y
All data for this body: [vot]
MPC data
| Name (number) |
1981 UW27 (178287) |
| a |
2.32984 |
| e |
0.30297 |
| i / sin(i) |
5.4453 /
0.09489
|
| q |
1.62396
|
| Q |
3.03573
|
| ω |
4.3910 |
| Node |
17.3361 |
| m |
87.7447 |
| n |
0.2771 |
| Epoch |
2460800.5 |
| nobs |
1016 |
| nopp |
16 |
| Years observed |
1981-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.327 |
|
| ep |
0.261 |
|
| sin(ip) |
0.084 |
|
| G |
0.150 |
|
| H |
16.470 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3271 |
0.2607 |
0.0840 |
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 |
| 16.47 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |