1997 EP31
1997EP31, J97E31P, X3871
All data for this body: [vot]
MPC data
| Name (number) |
1997 EP31 (333871) |
| a |
2.72023 |
| e |
0.07279 |
| i / sin(i) |
7.8574 /
0.13671
|
| q |
2.52223
|
| Q |
2.91823
|
| ω |
271.2324 |
| Node |
2.4107 |
| m |
13.9678 |
| n |
0.2197 |
| Epoch |
2460800.5 |
| nobs |
426 |
| nopp |
17 |
| Years observed |
1997-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.720 |
|
| ep |
0.088 |
|
| sin(ip) |
0.140 |
|
| G |
0.150 |
|
| H |
16.300 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
7.664 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7200 |
0.0882 |
0.1400 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 16.30 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |