1999 JY81
1999JY81, 53370, J99J81Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 JY81 (53370) |
| a |
2.75224 |
| e |
0.16724 |
| i / sin(i) |
14.0746 /
0.24319
|
| q |
2.29196
|
| Q |
3.21252
|
| ω |
149.6177 |
| Node |
82.7867 |
| m |
242.6489 |
| n |
0.2159 |
| Epoch |
2460800.5 |
| nobs |
1286 |
| nopp |
21 |
| Years observed |
1993-2025 |
| rms |
0.89 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.749 |
|
| ep |
0.195 |
|
| sin(ip) |
0.221 |
|
| G |
0.150 |
|
| H |
14.960 |
|
| Mass |
|
|
| D |
5.77 |
1.350 |
| pV |
0.070 |
0.0440 |
|
Value |
| Rotational Period |
36.371 |
| Period quality |
2 |
| Spectral Class |
B |
| Spectral Class Score |
0.764 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7488 |
0.1949 |
0.2210 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.77 |
1.350 |
1.350 |
Masiero |
2020PSJ.....1....5M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.070 |
0.0440 |
0.0440 |
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 |
| 14.96 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 36.3716 |
2 |
Synodic |
Pal |
2020ApJS..247...26P |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| B |
B |
0.1274 |
0.1274 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| C |
|
0.08 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |