1998 HF18
1998HF18, 2000 UK41, 2000UK41, 37943, J98H18F, K00U41K
All data for this body: [vot]
MPC data
| Name (number) |
1998 HF18 (37943) |
| a |
2.54972 |
| e |
0.08441 |
| i / sin(i) |
5.2468 /
0.09145
|
| q |
2.33449
|
| Q |
2.76495
|
| ω |
274.3181 |
| Node |
228.0524 |
| m |
280.0897 |
| n |
0.2421 |
| Epoch |
2460800.5 |
| nobs |
1030 |
| nopp |
16 |
| Years observed |
1995-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.549 |
|
| ep |
0.116 |
|
| sin(ip) |
0.106 |
|
| G |
0.150 |
|
| H |
15.710 |
|
| Mass |
|
|
| D |
2.21 |
0.130 |
| pV |
0.227 |
0.0586 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
A |
| Spectral Class Score |
1.351 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5491 |
0.1162 |
0.1057 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.21 |
0.130 |
0.130 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.227 |
0.0586 |
0.0586 |
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 |
| 15.71 |
|
|
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 |
| A |
A |
0.2251 |
0.2251 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |