1981 EW38
1981EW38, 1969 TF7, 1969TF7, 1990 EU2, 1990EU2, 29115, J69T07F, J81E38W, J90E02U
All data for this body: [vot]
MPC data
| Name (number) |
1981 EW38 (29115) |
| a |
2.75210 |
| e |
0.06094 |
| i / sin(i) |
4.1135 /
0.07173
|
| q |
2.58438
|
| Q |
2.91981
|
| ω |
304.2488 |
| Node |
281.1617 |
| m |
204.9587 |
| n |
0.2159 |
| Epoch |
2460800.5 |
| nobs |
1679 |
| nopp |
23 |
| Years observed |
1969-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
Nemesis (128) |
|
| |
|
|
| ap |
2.751 |
|
| ep |
0.093 |
|
| sin(ip) |
0.091 |
|
| G |
0.150 |
|
| H |
14.800 |
|
| Mass |
|
|
| D |
4.20 |
1.537 |
| pV |
0.210 |
0.1207 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 128 |
Nemesis |
504 |
Nemesis |
0.0200 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7507 |
0.0935 |
0.0910 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.20 |
1.537 |
1.537 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.210 |
0.1207 |
0.1207 |
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 |
| 14.80 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |