1981 EW28
1981EW28, 42475, J81E28W
All data for this body: [vot]
MPC data
| Name (number) |
1981 EW28 (42475) |
| a |
2.28313 |
| e |
0.05970 |
| i / sin(i) |
3.1262 /
0.05454
|
| q |
2.14683
|
| Q |
2.41943
|
| ω |
237.0972 |
| Node |
286.9752 |
| m |
297.3311 |
| n |
0.2857 |
| Epoch |
2460800.5 |
| nobs |
1128 |
| nopp |
19 |
| Years observed |
1981-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.282 |
|
| ep |
0.105 |
|
| sin(ip) |
0.065 |
|
| G |
0.150 |
|
| H |
16.200 |
|
| 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 |
| 2.2822 |
0.1049 |
0.0646 |
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 |
| 16.20 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |