1981 EH31
1981EH31, 43746, J81E31H
All data for this body: [vot]
MPC data
| Name (number) |
1981 EH31 (43746) |
| a |
2.47230 |
| e |
0.20560 |
| i / sin(i) |
8.6230 /
0.14993
|
| q |
1.96399
|
| Q |
2.98061
|
| ω |
251.4191 |
| Node |
169.6808 |
| m |
72.1666 |
| n |
0.2535 |
| Epoch |
2460200.5 |
| nobs |
2100 |
| nopp |
19 |
| Years observed |
1979-2023 |
| rms |
0.54 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.474 |
|
| ep |
0.189 |
|
| sin(ip) |
0.153 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.480 |
|
| Mass |
|
|
| D |
2.34 |
0.304 |
| pV |
0.322 |
0.1000 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4742 |
0.1893 |
0.1530 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.34 |
0.304 |
0.304 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.322 |
0.1000 |
0.1000 |
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 |
| 15.48 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |