1981 EH8
1981EH8, 19102, J81E08H
All data for this body: [vot]
MPC data
| Name (number) |
1981 EH8 (19102) |
| a |
2.28013 |
| e |
0.13670 |
| i / sin(i) |
7.2878 /
0.12685
|
| q |
1.96845
|
| Q |
2.59181
|
| ω |
209.1472 |
| Node |
322.6397 |
| m |
299.4276 |
| n |
0.2863 |
| Epoch |
2460800.5 |
| nobs |
2135 |
| nopp |
21 |
| Years observed |
1981-2025 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.280 |
|
| ep |
0.190 |
|
| sin(ip) |
0.133 |
|
| G |
0.150 |
|
| H |
15.630 |
|
| Mass |
|
|
| D |
2.51 |
0.799 |
| pV |
0.135 |
0.0643 |
|
Value |
| Rotational Period |
55.580 |
| Period quality |
2 |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2796 |
0.1897 |
0.1327 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.51 |
0.799 |
0.799 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.135 |
0.0643 |
0.0643 |
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 |
| 15.63 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 55.581 |
2 |
Synodic |
Pal |
2020ApJS..247...26P |
Lightcurve |