1998 TJ18
1998TJ18, 2000 AR246, 2000AR246, 44431, J98T18J, K00AO6R
All data for this body: [vot]
MPC data
| Name (number) |
1998 TJ18 (44431) |
| a |
2.56476 |
| e |
0.21668 |
| i / sin(i) |
8.4290 /
0.14658
|
| q |
2.00903
|
| Q |
3.12049
|
| ω |
179.7723 |
| Node |
92.0686 |
| m |
228.0852 |
| n |
0.2400 |
| Epoch |
2460800.5 |
| nobs |
2023 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.567 |
|
| ep |
0.211 |
|
| sin(ip) |
0.121 |
|
| G |
0.150 |
|
| H |
14.600 |
|
| Mass |
|
|
| D |
2.39 |
0.133 |
| pV |
0.535 |
0.1342 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
4.260 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5672 |
0.2108 |
0.1212 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.39 |
0.133 |
0.133 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.535 |
0.1342 |
0.1342 |
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 |
| 14.60 |
|
|
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 |
|
0.710 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |