1981 EZ20
1981EZ20, 29101, J81E20Z
All data for this body: [vot]
MPC data
| Name (number) |
1981 EZ20 (29101) |
| a |
2.72601 |
| e |
0.06251 |
| i / sin(i) |
1.1691 /
0.02040
|
| q |
2.55561
|
| Q |
2.89641
|
| ω |
203.6248 |
| Node |
216.0249 |
| m |
42.2232 |
| n |
0.2190 |
| Epoch |
2460800.5 |
| nobs |
1968 |
| nopp |
22 |
| Years observed |
1981-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
Henan (2085) |
|
| |
|
|
| ap |
2.725 |
|
| ep |
0.049 |
|
| sin(ip) |
0.034 |
|
| G |
0.150 |
|
| H |
15.070 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
10.427 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 2085 |
Henan |
532 |
Henan |
0.4200 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7250 |
0.0494 |
0.0343 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 15.07 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |