1991EF2
1998KN47, 22311, J91E02F, J98K47N
All data for this body: [vot]
MPC data
| Name (number) |
1991EF2 (22311) |
| Packed designation |
22311 |
| a |
2.19763 |
| e |
0.05605 |
| i / sin(i) |
5.4286 /
0.09460
|
| q |
2.07446
|
| Q |
2.32080
|
| ω |
18.9342 |
| Node |
175.7213 |
| m |
145.7081 |
| n |
0.3025 |
| Epoch |
2459600.5 |
| nobs |
2555 |
| nopp |
19 |
| Years observed |
1991-2021 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.197 |
|
| ep |
0.115 |
|
| sin(ip) |
0.101 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.300 |
|
| Mass |
|
|
| D |
3.58 |
0.161 |
| pV |
0.315 |
0.0536 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1967 |
0.1153 |
0.1011 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.58 |
0.161 |
0.161 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.315 |
0.0536 |
0.0536 |
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 |
| 14.30 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |