1998 YA5
1998YA5, 1994 RB21, 1994RB21, 31391, J94R21B, J98Y05A
All data for this body: [vot]
MPC data
| Name (number) |
1998 YA5 (31391) |
| a |
2.24195 |
| e |
0.04703 |
| i / sin(i) |
3.2342 /
0.05642
|
| q |
2.13651
|
| Q |
2.34739
|
| ω |
40.3639 |
| Node |
168.6702 |
| m |
177.5788 |
| n |
0.2936 |
| Epoch |
2460800.5 |
| nobs |
1242 |
| nopp |
20 |
| Years observed |
1993-2024 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.243 |
|
| ep |
0.089 |
|
| sin(ip) |
0.062 |
|
| G |
0.150 |
|
| H |
16.360 |
|
| Mass |
|
|
| D |
1.85 |
0.440 |
| pV |
0.206 |
0.1101 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2425 |
0.0887 |
0.0623 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.85 |
0.440 |
0.440 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.206 |
0.1101 |
0.1101 |
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 |
| 16.36 |
|
|
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 |
| Ad |
Ad |
None |
None |
Movis |
NIR |
Popescu |
2018A&A...617A..12P |
PHOT |
| V |
V |
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |