2004 HR4
2004HR4, 1981 EK46, 1981EK46, J81E46K, K04H04R, Z7482
All data for this body: [vot]
MPC data
| Name (number) |
2004 HR4 (357482) |
| a |
2.74788 |
| e |
0.16768 |
| i / sin(i) |
8.0849 /
0.14064
|
| q |
2.28711
|
| Q |
3.20864
|
| ω |
17.7974 |
| Node |
186.0242 |
| m |
227.5077 |
| n |
0.2164 |
| Epoch |
2460800.5 |
| nobs |
298 |
| nopp |
15 |
| Years observed |
1981-2025 |
| rms |
0.88 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.747 |
|
| ep |
0.212 |
|
| sin(ip) |
0.137 |
|
| G |
0.150 |
|
| H |
16.860 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.928 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7473 |
0.2121 |
0.1373 |
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 |
| 16.86 |
|
|
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 |
|
0.988 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| V |
V |
0.0595 |
0.0595 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |