1981EZ16
1988AZ3, 2000YT2, 20981, J81E16Z, J88A03Z, K00Y02T
All data for this body: [vot]
MPC data
| Name (number) |
1981EZ16 (20981) |
| Packed designation |
20981 |
| a |
2.57084 |
| e |
0.13535 |
| i / sin(i) |
7.7492 /
0.13484
|
| q |
2.22288
|
| Q |
2.91881
|
| ω |
81.7043 |
| Node |
346.7550 |
| m |
65.6858 |
| n |
0.2391 |
| Epoch |
2459600.5 |
| nobs |
949 |
| nopp |
16 |
| Years observed |
1981-2021 |
| rms |
0.53 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.571 |
|
| ep |
0.126 |
|
| sin(ip) |
0.143 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.130 |
|
| Mass |
|
|
| D |
2.81 |
0.470 |
| pV |
0.129 |
0.0213 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5707 |
0.1264 |
0.1431 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.81 |
0.470 |
0.470 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.129 |
0.0213 |
0.0213 |
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 |
| 15.13 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |