Heco
19156, 1990 SE4, 1990SE4, 1999 TK1, 1999TK1, J90S04E, J99T01K
All data for this body: [vot]
MPC data
| Name (number) |
Heco (19156) |
| a |
2.70041 |
| e |
0.00720 |
| i / sin(i) |
1.2455 /
0.02174
|
| q |
2.68096
|
| Q |
2.71986
|
| ω |
296.7452 |
| Node |
213.0403 |
| m |
13.8503 |
| n |
0.2221 |
| Epoch |
2460200.5 |
| nobs |
3028 |
| nopp |
22 |
| Years observed |
1990-2023 |
| rms |
0.58 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.701 |
|
| ep |
0.045 |
|
| sin(ip) |
0.036 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.650 |
|
| Mass |
|
|
| D |
5.80 |
0.233 |
| pV |
0.145 |
0.0154 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7007 |
0.0452 |
0.0357 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.80 |
0.233 |
0.233 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.145 |
0.0154 |
0.0154 |
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 |
| 13.65 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |