1992 ER18
1992ER18, 1999 AR8, 1999AR8, 27780, J92E18R, J99A08R
All data for this body: [vot]
MPC data
| Name (number) |
1992 ER18 (27780) |
| a |
2.47336 |
| e |
0.13052 |
| i / sin(i) |
9.4851 /
0.16479
|
| q |
2.15055
|
| Q |
2.79618
|
| ω |
200.9322 |
| Node |
357.3490 |
| m |
152.0735 |
| n |
0.2534 |
| Epoch |
2460800.5 |
| nobs |
1163 |
| nopp |
23 |
| Years observed |
1992-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.477 |
|
| ep |
0.162 |
|
| sin(ip) |
0.164 |
|
| G |
0.150 |
|
| H |
15.250 |
|
| 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 |
| 2.4766 |
0.1615 |
0.1641 |
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 |
| 15.25 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |