1981 ET37
1981ET37, 1998 FM144, 1998FM144, 43748, J81E37T, J98FE4M
All data for this body: [vot]
MPC data
| Name (number) |
1981 ET37 (43748) |
| a |
2.26079 |
| e |
0.24572 |
| i / sin(i) |
3.5982 /
0.06276
|
| q |
1.70526
|
| Q |
2.81632
|
| ω |
61.0142 |
| Node |
218.9728 |
| m |
277.0854 |
| n |
0.2899 |
| Epoch |
2460800.5 |
| nobs |
1202 |
| nopp |
21 |
| Years observed |
1981-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.258 |
|
| ep |
0.214 |
|
| sin(ip) |
0.076 |
|
| G |
0.150 |
|
| H |
16.200 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
4.633 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2581 |
0.2142 |
0.0760 |
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 |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
S |
0.7721 |
0.7721 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |