1981 EQ17
1981EQ17, 1999 FF42, 1999FF42, 30743, J81E17Q, J99F42F
All data for this body: [vot]
MPC data
| Name (number) |
1981 EQ17 (30743) |
| a |
2.35725 |
| e |
0.09863 |
| i / sin(i) |
1.6274 /
0.02840
|
| q |
2.12477
|
| Q |
2.58974
|
| ω |
297.7715 |
| Node |
224.7625 |
| m |
86.5100 |
| n |
0.2723 |
| Epoch |
2460800.5 |
| nobs |
1448 |
| nopp |
20 |
| Years observed |
1981-2024 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.357 |
|
| ep |
0.139 |
|
| sin(ip) |
0.042 |
|
| G |
0.150 |
|
| H |
16.110 |
|
| Mass |
|
|
| D |
4.21 |
0.089 |
| pV |
0.048 |
0.0047 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3566 |
0.1388 |
0.0416 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.21 |
0.089 |
0.089 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.048 |
0.0047 |
0.0047 |
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 |
| 16.11 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |