1981 EY37
1981EY37, 2001 FU18, 2001FU18, 99991, J81E37Y, K01F18U
All data for this body: [vot]
MPC data
| Name (number) |
1981 EY37 (99991) |
| a |
2.22806 |
| e |
0.12772 |
| i / sin(i) |
1.6624 /
0.02901
|
| q |
1.94349
|
| Q |
2.51262
|
| ω |
292.5474 |
| Node |
295.2673 |
| m |
57.0182 |
| n |
0.2964 |
| Epoch |
2460800.5 |
| nobs |
741 |
| nopp |
19 |
| Years observed |
1981-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.228 |
|
| ep |
0.152 |
|
| sin(ip) |
0.038 |
|
| G |
0.150 |
|
| H |
16.840 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
0.353 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2281 |
0.1519 |
0.0381 |
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 |
| 16.84 |
|
|
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 |
0.0588 |
0.0570 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |