1998 HT139
1998HT139, 1999 TM241, 1999TM241, 44161, J98HD9T, J99TO1M
All data for this body: [vot]
MPC data
| Name (number) |
1998 HT139 (44161) |
| a |
2.33540 |
| e |
0.18639 |
| i / sin(i) |
6.8719 /
0.11965
|
| q |
1.90011
|
| Q |
2.77069
|
| ω |
154.2370 |
| Node |
105.8293 |
| m |
171.3142 |
| n |
0.2762 |
| Epoch |
2460800.5 |
| nobs |
1030 |
| nopp |
20 |
| Years observed |
1991-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.334 |
|
| ep |
0.191 |
|
| sin(ip) |
0.107 |
|
| G |
0.150 |
|
| H |
16.120 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
4.006 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3338 |
0.1914 |
0.1068 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 16.12 |
|
|
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 |
0.6676 |
0.6676 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |