1981 EJ42
1981EJ42, 1992 DC8, 1992DC8, 52257, J81E42J, J92D08C
All data for this body: [vot]
MPC data
| Name (number) |
1981 EJ42 (52257) |
| a |
3.17795 |
| e |
0.11217 |
| i / sin(i) |
11.3258 /
0.19639
|
| q |
2.82147
|
| Q |
3.53442
|
| ω |
349.1427 |
| Node |
183.9245 |
| m |
201.8594 |
| n |
0.1740 |
| Epoch |
2460200.5 |
| nobs |
806 |
| nopp |
22 |
| Years observed |
1981-2023 |
| rms |
0.72 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.176 |
|
| ep |
0.147 |
|
| sin(ip) |
0.193 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.940 |
|
| Mass |
|
|
| D |
7.42 |
0.191 |
| pV |
0.035 |
0.0044 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1765 |
0.1466 |
0.1931 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 7.42 |
0.191 |
0.191 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.035 |
0.0044 |
0.0044 |
Masiero |
2011ApJ...741...68M |
NEATM |
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 |
| 14.94 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |