Hampfreeman
18961, 1989 VY5, 1989VY5, 1997 XW11, 1997XW11, 2000 QR140, 2000QR140, J89V05Y, J97X11W, K00QE0R
All data for this body: [vot]
MPC data
| Name (number) |
Hampfreeman (18961) |
| a |
2.39614 |
| e |
0.18978 |
| i / sin(i) |
2.4583 /
0.04289
|
| q |
1.94139
|
| Q |
2.85089
|
| ω |
49.7451 |
| Node |
18.0198 |
| m |
184.5953 |
| n |
0.2657 |
| Epoch |
2460800.5 |
| nobs |
1850 |
| nopp |
20 |
| Years observed |
1993-2024 |
| rms |
0.66 |
Best values
|
Value |
Standard error |
| Parent |
Nysa (44) |
|
| |
|
|
| ap |
2.397 |
|
| ep |
0.185 |
|
| sin(ip) |
0.042 |
|
| G |
0.150 |
|
| H |
15.370 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.988 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3966 |
0.1846 |
0.0418 |
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 |
| 15.37 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
|
0.998 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |