1998 MJ40
1998MJ40, 2007 XW30, 2007XW30, I1798, J98M40J, K07X30W
All data for this body: [vot]
MPC data
| Name (number) |
1998 MJ40 (181798) |
| a |
2.55457 |
| e |
0.21329 |
| i / sin(i) |
5.5263 /
0.09630
|
| q |
2.00971
|
| Q |
3.09943
|
| ω |
189.5231 |
| Node |
132.1147 |
| m |
184.7861 |
| n |
0.2414 |
| Epoch |
2460800.5 |
| nobs |
1060 |
| nopp |
19 |
| Years observed |
1998-2025 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.555 |
|
| ep |
0.141 |
|
| sin(ip) |
0.082 |
|
| G |
0.150 |
|
| H |
15.800 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.916 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5546 |
0.1409 |
0.0824 |
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 |
| 15.80 |
|
|
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 |
|
0.986 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |