1998EJ21
1999TJ274, 20253, J98E21J, J99TR4J
All data for this body: [vot]
MPC data
| Name (number) |
1998EJ21 (20253) |
| Packed designation |
20253 |
| a |
2.27600 |
| e |
0.05153 |
| i / sin(i) |
5.4068 /
0.09423
|
| q |
2.15871
|
| Q |
2.39329
|
| ω |
30.6161 |
| Node |
174.2612 |
| m |
303.2267 |
| n |
0.2870 |
| Epoch |
2459600.5 |
| nobs |
1576 |
| nopp |
18 |
| Years observed |
1996-2022 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.276 |
|
| ep |
0.092 |
|
| sin(ip) |
0.099 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.350 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2758 |
0.0925 |
0.0988 |
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 |
| 15.35 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |