1998 TJ4
1998TJ4, 2000 AT238, 2000AT238, 44426, J98T04J, K00AN8T
All data for this body: [vot]
MPC data
| Name (number) |
1998 TJ4 (44426) |
| a |
3.03255 |
| e |
0.02843 |
| i / sin(i) |
1.1655 /
0.02034
|
| q |
2.94634
|
| Q |
3.11876
|
| ω |
111.8765 |
| Node |
352.4019 |
| m |
295.7298 |
| n |
0.1866 |
| Epoch |
2460800.5 |
| nobs |
1900 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.035 |
|
| ep |
0.042 |
|
| sin(ip) |
0.033 |
|
| G |
0.150 |
|
| H |
14.330 |
|
| Mass |
|
|
| D |
8.57 |
0.156 |
| pV |
0.060 |
0.0058 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
1.236 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0347 |
0.0422 |
0.0327 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 8.57 |
0.156 |
0.156 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.060 |
0.0058 |
0.0058 |
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 |
| 14.33 |
|
|
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 |
| C |
C |
0.0629 |
0.0629 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| X |
|
0.206 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |