1990 WH4
1990WH4, 1999 CM128, 1999CM128, 32813, J90W04H, J99CC8M
All data for this body: [vot]
MPC data
| Name (number) |
1990 WH4 (32813) |
| a |
2.39748 |
| e |
0.15250 |
| i / sin(i) |
11.2274 /
0.19470
|
| q |
2.03186
|
| Q |
2.76311
|
| ω |
83.5411 |
| Node |
79.9112 |
| m |
21.1525 |
| n |
0.2655 |
| Epoch |
2460800.5 |
| nobs |
2580 |
| nopp |
21 |
| Years observed |
1990-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.398 |
|
| ep |
0.198 |
|
| sin(ip) |
0.187 |
|
| G |
0.150 |
|
| H |
14.770 |
|
| Mass |
|
|
| D |
3.22 |
0.100 |
| pV |
0.295 |
0.0476 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.574 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3978 |
0.1981 |
0.1867 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.22 |
0.100 |
0.100 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.295 |
0.0476 |
0.0476 |
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 |
| 14.77 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
|
0.929 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |