1998 XO21
1998XO21, 2000 GO154, 2000GO154, 49390, J98X21O, K00GF4O
All data for this body: [vot]
MPC data
| Name (number) |
1998 XO21 (49390) |
| a |
2.89431 |
| e |
0.09821 |
| i / sin(i) |
4.8199 /
0.08402
|
| q |
2.61006
|
| Q |
3.17856
|
| ω |
50.2752 |
| Node |
287.4560 |
| m |
132.3097 |
| n |
0.2002 |
| Epoch |
2460200.5 |
| nobs |
1502 |
| nopp |
22 |
| Years observed |
1994-2023 |
| rms |
0.71 |
Best values
|
Value |
Standard error |
| Parent |
Charis (627) |
|
| |
|
|
| ap |
2.897 |
|
| ep |
0.066 |
|
| sin(ip) |
0.103 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.810 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 627 |
Charis |
616 |
Charis |
|
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8967 |
0.0655 |
0.1033 |
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 |
| 14.81 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |