1998 HH23
1998HH23, 2001 XK78, 2001XK78, A0844, J98H23H, K01X78K
All data for this body: [vot]
MPC data
| Name (number) |
1998 HH23 (100844) |
| a |
3.11762 |
| e |
0.04772 |
| i / sin(i) |
3.4243 /
0.05973
|
| q |
2.96885
|
| Q |
3.26640
|
| ω |
62.6989 |
| Node |
150.2676 |
| m |
310.5006 |
| n |
0.1790 |
| Epoch |
2460800.5 |
| nobs |
825 |
| nopp |
21 |
| Years observed |
1995-2025 |
| rms |
0.89 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.116 |
|
| ep |
0.087 |
|
| sin(ip) |
0.050 |
|
| G |
0.150 |
|
| H |
15.210 |
|
| Mass |
|
|
| D |
4.90 |
0.494 |
| pV |
0.067 |
0.0126 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
1.187 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1164 |
0.0869 |
0.0498 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.90 |
0.494 |
0.494 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.067 |
0.0126 |
0.0126 |
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 |
| 15.21 |
|
|
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 |
| D |
D |
0.1979 |
0.1930 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| V |
D |
0.0972 |
0.1930 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |