1981 EG21
1981EG21, 14330, 1990 SW13, 1990SW13, J81E21G, J90S13W
All data for this body: [vot]
MPC data
| Name (number) |
1981 EG21 (14330) |
| a |
3.39756 |
| e |
0.06751 |
| i / sin(i) |
6.0401 /
0.10522
|
| q |
3.16819
|
| Q |
3.62693
|
| ω |
254.5936 |
| Node |
159.5429 |
| m |
134.5173 |
| n |
0.1574 |
| Epoch |
2460800.5 |
| nobs |
2023 |
| nopp |
26 |
| Years observed |
1981-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.398 |
|
| ep |
0.047 |
|
| sin(ip) |
0.097 |
|
| G |
0.150 |
|
| H |
13.760 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
2.747 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.3977 |
0.0473 |
0.0968 |
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 |
| 13.76 |
|
|
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 |
| X |
X |
0.4578 |
0.4578 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |