1998 BA31
1998BA31, 17743, 1977 ET5, 1977ET5, 1993 TR16, 1993TR16, J77E05T, J93T16R, J98B31A
All data for this body: [vot]
MPC data
| Name (number) |
1998 BA31 (17743) |
| a |
2.33020 |
| e |
0.16301 |
| i / sin(i) |
5.0825 /
0.08859
|
| q |
1.95036
|
| Q |
2.71004
|
| ω |
260.1845 |
| Node |
174.6213 |
| m |
272.0211 |
| n |
0.2771 |
| Epoch |
2460800.5 |
| nobs |
2968 |
| nopp |
21 |
| Years observed |
1977-2025 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.330 |
|
| ep |
0.170 |
|
| sin(ip) |
0.092 |
|
| G |
0.150 |
|
| H |
15.350 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3301 |
0.1704 |
0.0916 |
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 |
| 15.35 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |