1981 EU3
1981EU3, 1999 XN4, 1999XN4, 43737, J81E03U, J99X04N
All data for this body: [vot]
MPC data
| Name (number) |
1981 EU3 (43737) |
| a |
2.51019 |
| e |
0.11495 |
| i / sin(i) |
9.4119 /
0.16353
|
| q |
2.22166
|
| Q |
2.79873
|
| ω |
313.4405 |
| Node |
228.0933 |
| m |
31.8704 |
| n |
0.2478 |
| Epoch |
2460800.5 |
| nobs |
1800 |
| nopp |
22 |
| Years observed |
1981-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
|
|
| ep |
|
|
| sin(ip) |
|
|
| G |
0.150 |
|
| H |
15.390 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
1.264 |
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 |
| 15.39 |
|
|
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 |
| V |
V |
0.2106 |
0.2106 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |