1997 YE4
1997YE4, 1999 JJ18, 1999JJ18, 37804, J97Y04E, J99J18J
All data for this body: [vot]
MPC data
| Name (number) |
1997 YE4 (37804) |
| a |
2.20937 |
| e |
0.14373 |
| i / sin(i) |
3.7995 /
0.06627
|
| q |
1.89183
|
| Q |
2.52692
|
| ω |
108.1147 |
| Node |
253.0120 |
| m |
192.9137 |
| n |
0.3001 |
| Epoch |
2460800.5 |
| nobs |
2445 |
| nopp |
19 |
| Years observed |
1997-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.210 |
|
| ep |
0.098 |
|
| sin(ip) |
0.081 |
|
| G |
0.150 |
|
| H |
15.050 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
5.304 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2097 |
0.0975 |
0.0805 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 15.05 |
|
|
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 |
| L |
|
0.884 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |