1999 CH138
1999CH138, 2000 KB18, 2000KB18, 53242, J99CD8H, K00K18B
All data for this body: [vot]
MPC data
| Name (number) |
1999 CH138 (53242) |
| a |
2.75679 |
| e |
0.17547 |
| i / sin(i) |
1.1995 /
0.02093
|
| q |
2.27305
|
| Q |
3.24053
|
| ω |
153.1814 |
| Node |
196.5870 |
| m |
76.0902 |
| n |
0.2153 |
| Epoch |
2460800.5 |
| nobs |
2326 |
| nopp |
21 |
| Years observed |
1999-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.752 |
|
| ep |
0.141 |
|
| sin(ip) |
0.033 |
|
| G |
0.150 |
|
| H |
14.660 |
|
| Mass |
|
|
| D |
3.38 |
0.219 |
| pV |
0.186 |
0.0289 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7524 |
0.1411 |
0.0326 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.38 |
0.219 |
0.219 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.186 |
0.0289 |
0.0289 |
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 |
| 14.66 |
|
|
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 |
|
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |