1997 HE9
1997HE9, 1999 TP138, 1999TP138, 39779, J97H09E, J99TD8P
All data for this body: [vot]
MPC data
| Name (number) |
1997 HE9 (39779) |
| a |
3.06701 |
| e |
0.02308 |
| i / sin(i) |
3.2164 /
0.05611
|
| q |
2.99623
|
| Q |
3.13780
|
| ω |
215.8426 |
| Node |
5.1816 |
| m |
75.9531 |
| n |
0.1835 |
| Epoch |
2460800.5 |
| nobs |
1014 |
| nopp |
23 |
| Years observed |
1996-2025 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.068 |
|
| ep |
0.049 |
|
| sin(ip) |
0.061 |
|
| G |
0.150 |
|
| H |
15.130 |
|
| 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 |
| 3.0677 |
0.0490 |
0.0608 |
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 |
| 15.13 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |