1991 RX21
1991RX21, 1999 BK23, 1999BK23, 26117, J91R21X, J99B23K
All data for this body: [vot]
MPC data
| Name (number) |
1991 RX21 (26117) |
| a |
3.20614 |
| e |
0.11565 |
| i / sin(i) |
14.4214 /
0.24905
|
| q |
2.83536
|
| Q |
3.57692
|
| ω |
271.6494 |
| Node |
157.7212 |
| m |
136.9095 |
| n |
0.1717 |
| Epoch |
2460200.5 |
| nobs |
2627 |
| nopp |
21 |
| Years observed |
1991-2023 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.197 |
|
| ep |
0.109 |
|
| sin(ip) |
0.243 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.060 |
|
| Mass |
|
|
| D |
11.24 |
0.203 |
| pV |
0.116 |
0.0417 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1971 |
0.1086 |
0.2431 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 11.24 |
0.203 |
0.203 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.116 |
0.0417 |
0.0417 |
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 |
| 13.06 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |