1981 EK40

1981EK40, 1992 TA2, 1992TA2, 1994 CN20, 1994CN20, 29117, J81E40K, J92T02A, J94C20N

All data for this body: [vot]

MPC data
Name (number) 1981 EK40 (29117)
a 2.72987
e 0.12487
i / sin(i) 4.7209 / 0.08230
q 2.38898
Q 3.07077
ω 188.7375
Node 187.1817
m 307.4046
n 0.2185
Epoch 2460200.5
nobs 2139
nopp 23
Years observed 1981-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Nemesis (128)
 
ap 2.731
ep 0.088
sin(ip) 0.085
Value Standard error
G 0.150
H 14.480
Mass
D 6.39 0.134
pV 0.119 0.0237
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
128 Nemesis 504 Nemesis -1.2600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7307 0.0882 0.0846 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.39 0.134 0.134 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.119 0.0237 0.0237 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.48 MPC-2023-12-04 MPC-2023-12-04 Phot