2008 HW21
2008HW21, 2005 QU12, 2005QU12, K05Q12U, K08H21W, Y1895
All data for this body: [vot]
MPC data
| Name (number) |
2008 HW21 (341895) |
| a |
2.27488 |
| e |
0.17700 |
| i / sin(i) |
3.7400 /
0.06523
|
| q |
1.87223
|
| Q |
2.67752
|
| ω |
81.5836 |
| Node |
213.5295 |
| m |
293.7535 |
| n |
0.2873 |
| Epoch |
2460800.5 |
| nobs |
236 |
| nopp |
11 |
| Years observed |
2001-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
Flora (8) |
|
| |
|
|
| ap |
2.275 |
|
| ep |
0.145 |
|
| sin(ip) |
0.076 |
|
| G |
0.150 |
|
| H |
17.900 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 8 |
Flora |
402 |
Flora |
0.1100 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2753 |
0.1446 |
0.0756 |
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 |
| 17.90 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |