1981EX3

27678, J81E03X

All data for this body: [vot]

MPC data
Name (number) 1981EX3 (27678)
Packed designation 27678
a 2.74752
e 0.09705
i / sin(i) 7.9270 / 0.13791
q 2.48089
Q 3.01416
ω 237.6528
Node 233.6782
m 46.6245
n 0.2164
Epoch 2459600.5
nobs 1390
nopp 19
Years observed 1981-2022
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.747
ep 0.113
sin(ip) 0.154
Value Standard error
G 0.150
H 14.560
Mass
D 4.34 0.316
pV 0.196 0.0683
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7471 0.1133 0.1539 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.34 0.316 0.316 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.196 0.0683 0.0683 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.56 MPC-2022-01-18 MPC-2022-01-18 Phot