1999 CP21
1999CP21, 2001 QX124, 2001QX124, 53171, J99C21P, K01QC4X
All data for this body: [vot]
MPC data
| Name (number) |
1999 CP21 (53171) |
| a |
2.75492 |
| e |
0.05113 |
| i / sin(i) |
5.8361 /
0.10168
|
| q |
2.61407
|
| Q |
2.89576
|
| ω |
29.7516 |
| Node |
101.1258 |
| m |
138.1693 |
| n |
0.2155 |
| Epoch |
2460200.5 |
| nobs |
1334 |
| nopp |
19 |
| Years observed |
1983-2023 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.755 |
|
| ep |
0.080 |
|
| sin(ip) |
0.084 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.840 |
|
| Mass |
|
|
| D |
5.28 |
0.295 |
| pV |
0.101 |
0.0169 |
| Rotational Period |
7.249 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7553 |
0.0799 |
0.0836 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.28 |
0.295 |
0.295 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.101 |
0.0169 |
0.0169 |
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 |
| 14.84 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 7.25 |
|
|
Durech |
2023A&A...675A..24D |
Model |