1998 YR15
1998YR15, 1976 UB20, 1976UB20, 2000 RT11, 2000RT11, 31397, J76U20B, J98Y15R, K00R11T
All data for this body: [vot]
MPC data
| Name (number) |
1998 YR15 (31397) |
| a |
2.30885 |
| e |
0.22560 |
| i / sin(i) |
2.7998 /
0.04885
|
| q |
1.78798
|
| Q |
2.82972
|
| ω |
23.4890 |
| Node |
261.5253 |
| m |
21.1984 |
| n |
0.2809 |
| Epoch |
2460800.5 |
| nobs |
2513 |
| nopp |
23 |
| Years observed |
1976-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.310 |
|
| ep |
0.205 |
|
| sin(ip) |
0.062 |
|
| G |
0.150 |
|
| H |
14.680 |
|
| Mass |
|
|
| D |
3.10 |
0.148 |
| pV |
0.291 |
0.0268 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3097 |
0.2050 |
0.0619 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.10 |
0.148 |
0.148 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.291 |
0.0268 |
0.0268 |
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 |
| 14.68 |
|
|
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 |
|
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |