2002 WW21
2002WW21, 2006 TH77, 2006TH77, H6944, K02W21W, K06T77H
All data for this body: [vot]
MPC data
| Name (number) |
2002 WW21 (176944) |
| a |
2.57895 |
| e |
0.05936 |
| i / sin(i) |
10.3320 /
0.17935
|
| q |
2.42587
|
| Q |
2.73203
|
| ω |
313.3263 |
| Node |
89.3329 |
| m |
162.0814 |
| n |
0.2380 |
| Epoch |
2460800.5 |
| nobs |
509 |
| nopp |
16 |
| Years observed |
2002-2025 |
| rms |
0.93 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.579 |
|
| ep |
0.048 |
|
| sin(ip) |
0.163 |
|
| G |
0.150 |
|
| H |
16.290 |
|
| Mass |
|
|
| D |
2.30 |
0.576 |
| pV |
0.133 |
0.0454 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
39.395 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5789 |
0.0484 |
0.1631 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.30 |
0.576 |
0.576 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.133 |
0.0454 |
0.0454 |
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 |
| 16.29 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |