2008 HX21
2008HX21, K08H21X, T5346
All data for this body: [vot]
MPC data
| Name (number) |
2008 HX21 (295346) |
| a |
2.79029 |
| e |
0.18695 |
| i / sin(i) |
13.7965 /
0.23847
|
| q |
2.26865
|
| Q |
3.31192
|
| ω |
264.0867 |
| Node |
47.5606 |
| m |
171.0847 |
| n |
0.2115 |
| Epoch |
2460800.5 |
| nobs |
387 |
| nopp |
15 |
| Years observed |
2000-2025 |
| rms |
0.89 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.791 |
|
| ep |
0.150 |
|
| sin(ip) |
0.234 |
|
| G |
0.150 |
|
| H |
16.100 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
45.458 |
| Period quality |
2 |
| Spectral Class |
S |
| Spectral Class Score |
2.525 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7910 |
0.1503 |
0.2342 |
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 |
| 16.10 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 45.4584 |
2 |
Synodic |
Pal |
2020ApJS..247...26P |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
S |
0.4208 |
0.4208 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |