2015 HM20
2015HM20, 2004 GS46, 2004GS46, K04G46S, K15H20M, l2990
All data for this body: [vot]
MPC data
| Name (number) |
2015 HM20 (472990) |
| a |
2.37946 |
| e |
0.09222 |
| i / sin(i) |
6.1520 /
0.10717
|
| q |
2.16001
|
| Q |
2.59890
|
| ω |
84.0858 |
| Node |
40.2553 |
| m |
336.3568 |
| n |
0.2685 |
| Epoch |
2460800.5 |
| nobs |
223 |
| nopp |
12 |
| Years observed |
2004-2025 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.379 |
|
| ep |
0.123 |
|
| sin(ip) |
0.098 |
|
| G |
0.150 |
|
| H |
17.550 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
2.273 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3791 |
0.1231 |
0.0979 |
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 |
| 17.55 |
|
|
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 |
| V |
V |
0.3789 |
0.3789 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |