1997 SY4
1997SY4, 2000 EJ56, 2000EJ56, 48787, J97S04Y, K00E56J
All data for this body: [vot]
MPC data
| Name (number) |
1997 SY4 (48787) |
| a |
2.72192 |
| e |
0.08830 |
| i / sin(i) |
8.0515 /
0.14006
|
| q |
2.48159
|
| Q |
2.96226
|
| ω |
319.3524 |
| Node |
349.3144 |
| m |
317.7242 |
| n |
0.2195 |
| Epoch |
2460200.5 |
| nobs |
2116 |
| nopp |
22 |
| Years observed |
1991-2023 |
| rms |
0.60 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.722 |
|
| ep |
0.073 |
|
| sin(ip) |
0.146 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.690 |
|
| Mass |
|
|
| D |
2.94 |
0.220 |
| pV |
0.269 |
0.0687 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7219 |
0.0726 |
0.1464 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.94 |
0.220 |
0.220 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.269 |
0.0687 |
0.0687 |
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 |
| 14.69 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 225.46 |
|
|
Pal |
2020ApJS..247...26P |
Lightcurve |