1999 GJ42
1999GJ42, 1998 BY10, 1998BY10, 31645, J98B10Y, J99G42J
All data for this body: [vot]
MPC data
| Name (number) |
1999 GJ42 (31645) |
| a |
2.74486 |
| e |
0.18834 |
| i / sin(i) |
9.0214 /
0.15680
|
| q |
2.22790
|
| Q |
3.26183
|
| ω |
177.5619 |
| Node |
104.2762 |
| m |
198.6704 |
| n |
0.2167 |
| Epoch |
2460800.5 |
| nobs |
4524 |
| nopp |
22 |
| Years observed |
1997-2025 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.744 |
|
| ep |
0.192 |
|
| sin(ip) |
0.132 |
|
| G |
0.150 |
|
| H |
13.650 |
|
| Mass |
|
|
| D |
8.11 |
2.150 |
| pV |
0.117 |
0.0810 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7438 |
0.1923 |
0.1319 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 8.11 |
2.150 |
2.150 |
Masiero |
2020PSJ.....1....5M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.117 |
0.0810 |
0.0810 |
Masiero |
2020PSJ.....1....5M |
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 |
| 13.65 |
|
|
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 |
| C |
C |
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |