1999RO81
18850, 1978WF17, 1991CE2, J78W17F, J91C02E, J99R81O
All data for this body: [vot]
MPC data
| Name (number) |
1999RO81 (18850) |
| Packed designation |
18850 |
| a |
3.11437 |
| e |
0.08718 |
| i / sin(i) |
1.3355 /
0.02331
|
| q |
2.84285
|
| Q |
3.38590
|
| ω |
239.6740 |
| Node |
290.5340 |
| m |
205.3109 |
| n |
0.1793 |
| Epoch |
2459600.5 |
| nobs |
2286 |
| nopp |
21 |
| Years observed |
1978-2021 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.112 |
|
| ep |
0.123 |
|
| sin(ip) |
0.045 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.190 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1119 |
0.1228 |
0.0452 |
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 |
| 13.19 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |