1998 SF140
1998SF140, 2002 QM2, 2002QM2, 74293, J98SE0F, K02Q02M
All data for this body: [vot]
MPC data
| Name (number) |
1998 SF140 (74293) |
| a |
2.65683 |
| e |
0.18878 |
| i / sin(i) |
3.3937 /
0.05920
|
| q |
2.15527
|
| Q |
3.15840
|
| ω |
124.6722 |
| Node |
262.5112 |
| m |
47.1071 |
| n |
0.2276 |
| Epoch |
2460800.5 |
| nobs |
1075 |
| nopp |
18 |
| Years observed |
1991-2025 |
| rms |
0.72 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.656 |
|
| ep |
0.147 |
|
| sin(ip) |
0.080 |
|
| G |
0.150 |
|
| H |
15.690 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
5.958 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6559 |
0.1472 |
0.0796 |
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 |
| 15.69 |
|
|
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 |
| L |
|
0.993 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |