1999SQ4
1986HU, 1997GX42, 38439, J86H00U, J97G42X, J99S04Q
All data for this body: [vot]
MPC data
| Name (number) |
1999SQ4 (38439) |
| Packed designation |
38439 |
| a |
3.09424 |
| e |
0.01419 |
| i / sin(i) |
15.5407 /
0.26792
|
| q |
3.05034
|
| Q |
3.13814
|
| ω |
71.4153 |
| Node |
200.5916 |
| m |
139.5586 |
| n |
0.1811 |
| Epoch |
2459600.5 |
| nobs |
2089 |
| nopp |
20 |
| Years observed |
1997-2022 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.097 |
|
| ep |
0.035 |
|
| sin(ip) |
0.273 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.440 |
|
| Mass |
|
|
| D |
6.46 |
0.179 |
| pV |
0.244 |
0.0405 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0970 |
0.0351 |
0.2733 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 6.46 |
0.179 |
0.179 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.244 |
0.0405 |
0.0405 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.44 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |