1999 YS18
1999YS18, J99Y18S, l4192
All data for this body: [vot]
MPC data
| Name (number) |
1999 YS18 (474192) |
| a |
2.67039 |
| e |
0.21785 |
| i / sin(i) |
2.8039 /
0.04892
|
| q |
2.08864
|
| Q |
3.25215
|
| ω |
310.0061 |
| Node |
114.3730 |
| m |
320.2580 |
| n |
0.2259 |
| Epoch |
2460800.5 |
| nobs |
103 |
| nopp |
9 |
| Years observed |
1999-2022 |
| rms |
0.93 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.672 |
|
| ep |
0.199 |
|
| sin(ip) |
0.032 |
|
| G |
0.150 |
|
| H |
18.170 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6717 |
0.1988 |
0.0315 |
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 |
| 18.17 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |