1999 RY146
1999RY146, 1998 HW21, 1998HW21, 40595, J98H21W, J99RE6Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 RY146 (40595) |
| a |
2.53091 |
| e |
0.12737 |
| i / sin(i) |
5.2563 /
0.09161
|
| q |
2.20857
|
| Q |
2.85326
|
| ω |
65.6438 |
| Node |
249.8177 |
| m |
154.1324 |
| n |
0.2448 |
| Epoch |
2460800.5 |
| nobs |
1006 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.84 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.531 |
|
| ep |
0.099 |
|
| sin(ip) |
0.107 |
|
| G |
0.150 |
|
| H |
15.500 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
4.860 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5311 |
0.0990 |
0.1072 |
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 |
| 15.50 |
|
|
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 |
|
0.810 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |