2011HY21
2005ES290, 2010GH78, K05ET0S, K10G78H, K11H21Y, S1988
All data for this body: [vot]
MPC data
| Name (number) |
2011HY21 (281988) |
| Packed designation |
S1988 |
| a |
3.11050 |
| e |
0.09597 |
| i / sin(i) |
11.0094 /
0.19097
|
| q |
2.81199
|
| Q |
3.40902
|
| ω |
351.2466 |
| Node |
188.8538 |
| m |
17.4489 |
| n |
0.1797 |
| Epoch |
2459600.5 |
| nobs |
247 |
| nopp |
11 |
| Years observed |
2005-2021 |
| rms |
0.55 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.113 |
|
| ep |
0.129 |
|
| sin(ip) |
0.190 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.060 |
|
| Mass |
|
|
| D |
4.65 |
0.242 |
| pV |
0.051 |
0.0131 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1132 |
0.1293 |
0.1896 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.65 |
0.242 |
0.242 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.051 |
0.0131 |
0.0131 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 16.06 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |