2001 HN20
2001HN20, H8837, K01H20N
All data for this body: [vot]
MPC data
| Name (number) |
2001 HN20 (178837) |
| a |
2.44078 |
| e |
0.22326 |
| i / sin(i) |
7.1836 /
0.12505
|
| q |
1.89586
|
| Q |
2.98570
|
| ω |
9.1517 |
| Node |
232.5222 |
| m |
98.4969 |
| n |
0.2585 |
| Epoch |
2460800.5 |
| nobs |
965 |
| nopp |
19 |
| Years observed |
1994-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.444 |
|
| ep |
0.242 |
|
| sin(ip) |
0.131 |
|
| G |
0.150 |
|
| H |
16.050 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.945 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4444 |
0.2417 |
0.1314 |
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 |
| 16.05 |
|
|
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 |
S |
0.4909 |
0.4909 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |