1981 ET6
1981ET6, 73654, J81E06T
All data for this body: [vot]
MPC data
| Name (number) |
1981 ET6 (73654) |
| a |
3.96268 |
| e |
0.14394 |
| i / sin(i) |
9.4390 /
0.16400
|
| q |
3.39227
|
| Q |
4.53309
|
| ω |
237.1091 |
| Node |
319.9903 |
| m |
214.5128 |
| n |
0.1249 |
| Epoch |
2460800.5 |
| nobs |
1144 |
| nopp |
22 |
| Years observed |
1981-2025 |
| rms |
0.83 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.967 |
|
| ep |
0.220 |
|
| sin(ip) |
0.180 |
|
| G |
0.150 |
|
| H |
13.440 |
|
| Mass |
|
|
| D |
13.63 |
0.430 |
| pV |
0.050 |
0.0100 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
3.115 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.9673 |
0.2202 |
0.1801 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.63 |
0.430 |
0.430 |
Grav |
2012ApJ...744..197G |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.050 |
0.0100 |
0.0100 |
Grav |
2012ApJ...744..197G |
NEATM |
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 |
| 13.44 |
|
|
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 |
| D |
S |
0.1603 |
0.3770 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| S |
S |
0.5192 |
0.3770 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |