2009 ER4
2009ER4, K09E04R, S3170
All data for this body: [vot]
MPC data
| Name (number) |
2009 ER4 (283170) |
| a |
3.12145 |
| e |
0.25841 |
| i / sin(i) |
15.4804 /
0.26691
|
| q |
2.31483
|
| Q |
3.92806
|
| ω |
94.2842 |
| Node |
157.6755 |
| m |
174.2549 |
| n |
0.1787 |
| Epoch |
2460200.5 |
| nobs |
511 |
| nopp |
14 |
| Years observed |
1998-2023 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.122 |
|
| ep |
0.246 |
|
| sin(ip) |
0.280 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.410 |
|
| Mass |
|
|
| D |
2.37 |
0.716 |
| pV |
0.261 |
0.1310 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1216 |
0.2456 |
0.2796 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.37 |
0.716 |
0.716 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.261 |
0.1310 |
0.1310 |
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 |
| 15.41 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |