2011 SS21
2011SS21, K11S21S, o0026
All data for this body: [vot]
MPC data
| Name (number) |
2011 SS21 (500026) |
| a |
2.12350 |
| e |
0.31679 |
| i / sin(i) |
3.2483 /
0.05666
|
| q |
1.45079
|
| Q |
2.79621
|
| ω |
279.9409 |
| Node |
4.5457 |
| m |
194.6035 |
| n |
0.3185 |
| Epoch |
2460800.5 |
| nobs |
152 |
| nopp |
7 |
| Years observed |
2002-2023 |
| rms |
1.01 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.201 |
|
| ep |
0.317 |
|
| sin(ip) |
0.077 |
|
| G |
0.150 |
|
| H |
19.150 |
|
| Mass |
|
|
| D |
1.10 |
0.200 |
| pV |
0.040 |
0.0100 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2007 |
0.3167 |
0.0772 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.10 |
0.200 |
0.200 |
Ali-Lagoa |
2017A&A...603A..55A |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.040 |
0.0100 |
0.0100 |
Ali-Lagoa |
2017A&A...603A..55A |
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 |
| 19.15 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |