2004 XR21
2004XR21, 2009 UA3, 2009UA3, K04X21R, K09U03A, W7090
All data for this body: [vot]
MPC data
| Name (number) |
2004 XR21 (327090) |
| a |
3.08655 |
| e |
0.13449 |
| i / sin(i) |
15.9651 /
0.27505
|
| q |
2.67144
|
| Q |
3.50166
|
| ω |
153.5637 |
| Node |
254.8472 |
| m |
185.3891 |
| n |
0.1818 |
| Epoch |
2460200.5 |
| nobs |
411 |
| nopp |
12 |
| Years observed |
2004-2023 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.083 |
|
| ep |
0.129 |
|
| sin(ip) |
0.288 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.380 |
|
| Mass |
|
|
| D |
5.64 |
0.215 |
| pV |
0.056 |
0.0073 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0835 |
0.1285 |
0.2882 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.64 |
0.215 |
0.215 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.056 |
0.0073 |
0.0073 |
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 |
| 15.38 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |