2008 QS21
2008QS21, e3197, K08Q21S
All data for this body: [vot]
MPC data
| Name (number) |
2008 QS21 (403197) |
| a |
3.12736 |
| e |
0.32389 |
| i / sin(i) |
13.8841 /
0.23996
|
| q |
2.11443
|
| Q |
4.14029
|
| ω |
210.9627 |
| Node |
188.1674 |
| m |
222.0621 |
| n |
0.1782 |
| Epoch |
2460200.5 |
| nobs |
414 |
| nopp |
12 |
| Years observed |
2004-2023 |
| rms |
0.68 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.128 |
|
| ep |
0.305 |
|
| sin(ip) |
0.228 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.850 |
|
| Mass |
|
|
| D |
5.46 |
0.475 |
| pV |
0.034 |
0.0117 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1276 |
0.3048 |
0.2279 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.46 |
0.475 |
0.475 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.034 |
0.0117 |
0.0117 |
Masiero |
2011ApJ...741...68M |
NEATM |
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 |
| 15.85 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |