1999 RO21
1999RO21, 2006 QE144, 2006QE144, I1883, J99R21O, K06QE4E
All data for this body: [vot]
MPC data
| Name (number) |
1999 RO21 (181883) |
| a |
2.31924 |
| e |
0.22138 |
| i / sin(i) |
25.0347 /
0.42317
|
| q |
1.80580
|
| Q |
2.83268
|
| ω |
28.2740 |
| Node |
355.7357 |
| m |
266.5912 |
| n |
0.2791 |
| Epoch |
2460200.5 |
| nobs |
204 |
| nopp |
12 |
| Years observed |
1994-2022 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
Phocaea (25) |
|
| |
|
|
| ap |
2.319 |
|
| ep |
0.225 |
|
| sin(ip) |
0.406 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.910 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 25 |
Phocaea |
701 |
Phocaea |
-0.2000 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3194 |
0.2247 |
0.4058 |
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 |
| 16.91 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |