1999 RH218
1999RH218, 1998 ET20, 1998ET20, 42909, J98E20T, J99RL8H
All data for this body: [vot]
MPC data
| Name (number) |
1999 RH218 (42909) |
| a |
2.28444 |
| e |
0.08898 |
| i / sin(i) |
1.0094 /
0.01762
|
| q |
2.08117
|
| Q |
2.48772
|
| ω |
129.4665 |
| Node |
146.1628 |
| m |
33.3995 |
| n |
0.2855 |
| Epoch |
2460200.5 |
| nobs |
1391 |
| nopp |
19 |
| Years observed |
1995-2023 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.285 |
|
| ep |
0.083 |
|
| sin(ip) |
0.022 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.900 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
5.490 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2847 |
0.0826 |
0.0216 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
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 |
| 15.90 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.49 |
|
|
Chang |
2016ApJS..227...20C |
Lightcurve |