1999 JY91
1999JY91, 29958, J99J91Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 JY91 (29958) |
| a |
3.06775 |
| e |
0.11663 |
| i / sin(i) |
7.5521 /
0.13143
|
| q |
2.70997
|
| Q |
3.42554
|
| ω |
25.1077 |
| Node |
137.3442 |
| m |
358.7260 |
| n |
0.1834 |
| Epoch |
2460800.5 |
| nobs |
2457 |
| nopp |
22 |
| Years observed |
1997-2025 |
| rms |
0.68 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.063 |
|
| ep |
0.159 |
|
| sin(ip) |
0.114 |
|
| G |
0.150 |
|
| H |
14.090 |
|
| Mass |
|
|
| D |
4.81 |
0.374 |
| pV |
0.210 |
0.0449 |
|
Value |
| Rotational Period |
5.900 |
| Period quality |
2 |
| Spectral Class |
S |
| Spectral Class Score |
3.888 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0630 |
0.1590 |
0.1141 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.81 |
0.374 |
0.374 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.210 |
0.0449 |
0.0449 |
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 |
| 14.09 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 5.95 |
2 |
Synodic |
Erasmus |
2019ApJS..242...15E |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| L |
|
0.277 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
D |
0.648000 |
0.349000 |
Bus-DeMeo |
VIS |
Erasmus |
2019ApJS..242...15E |
PHOT |