1999 CH21
1999CH21, 2002 SJ62, 2002SJ62, 2002 TD125, 2002TD125, 74447, J99C21H, K02S62J, K02TC5D
All data for this body: [vot]
MPC data
| Name (number) |
1999 CH21 (74447) |
| a |
3.03348 |
| e |
0.08692 |
| i / sin(i) |
8.7885 /
0.15279
|
| q |
2.76981
|
| Q |
3.29714
|
| ω |
94.3372 |
| Node |
313.4907 |
| m |
309.9123 |
| n |
0.1865 |
| Epoch |
2460200.5 |
| nobs |
1431 |
| nopp |
20 |
| Years observed |
1996-2023 |
| rms |
0.68 |
Best values
|
Value |
Standard error |
| Parent |
Eos (221) |
|
| |
|
|
| ap |
3.036 |
|
| ep |
0.055 |
|
| sin(ip) |
0.171 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.150 |
|
| Mass |
|
|
| D |
5.93 |
0.413 |
| pV |
0.182 |
0.0244 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 221 |
Eos |
606 |
Eos |
0.1300 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0357 |
0.0551 |
0.1708 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.93 |
0.413 |
0.413 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.182 |
0.0244 |
0.0244 |
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 |
| 14.15 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |