1998 HR57
1998HR57, 2000 UR15, 2000UR15, 37958, J98H57R, K00U15R
All data for this body: [vot]
MPC data
| Name (number) |
1998 HR57 (37958) |
| a |
2.57711 |
| e |
0.16894 |
| i / sin(i) |
1.7917 /
0.03127
|
| q |
2.14174
|
| Q |
3.01247
|
| ω |
259.3856 |
| Node |
227.4159 |
| m |
252.0197 |
| n |
0.2382 |
| Epoch |
2460800.5 |
| nobs |
1195 |
| nopp |
21 |
| Years observed |
1992-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.579 |
|
| ep |
0.182 |
|
| sin(ip) |
0.049 |
|
| G |
0.150 |
|
| H |
15.550 |
|
| Mass |
|
|
| D |
2.34 |
0.527 |
| pV |
0.246 |
0.1401 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5791 |
0.1825 |
0.0485 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.34 |
0.527 |
0.527 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.246 |
0.1401 |
0.1401 |
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 |
| 15.55 |
|
|
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 |
S |
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |