1981ET12
99977, J81E12T
All data for this body: [vot]
MPC data
| Name (number) |
1981ET12 (99977) |
| Packed designation |
99977 |
| a |
2.32452 |
| e |
0.14442 |
| i / sin(i) |
6.3266 /
0.11020
|
| q |
1.98881
|
| Q |
2.66022
|
| ω |
331.4196 |
| Node |
215.8586 |
| m |
184.2914 |
| n |
0.2781 |
| Epoch |
2459600.5 |
| nobs |
368 |
| nopp |
15 |
| Years observed |
1981-2021 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.324 |
|
| ep |
0.186 |
|
| sin(ip) |
0.121 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.840 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3242 |
0.1861 |
0.1213 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 16.84 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |