1999 JR55
1999JR55, 2000 WY38, 2000WY38, 66326, J99J55R, K00W38Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 JR55 (66326) |
| a |
2.31164 |
| e |
0.15833 |
| i / sin(i) |
5.4525 /
0.09502
|
| q |
1.94563
|
| Q |
2.67766
|
| ω |
142.9078 |
| Node |
182.9283 |
| m |
71.4196 |
| n |
0.2804 |
| Epoch |
2460800.5 |
| nobs |
2345 |
| nopp |
19 |
| Years observed |
1999-2025 |
| rms |
0.71 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.311 |
|
| ep |
0.115 |
|
| sin(ip) |
0.099 |
|
| G |
0.150 |
|
| H |
15.590 |
|
| Mass |
|
|
| D |
2.20 |
0.138 |
| pV |
0.210 |
0.0486 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.292 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3113 |
0.1150 |
0.0991 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.20 |
0.138 |
0.138 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.210 |
0.0486 |
0.0486 |
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 |
| 15.59 |
|
|
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 |
| S |
|
0.382 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |