1981 EQ4

1981EQ4, 17376, 1976 JQ5, 1976JQ5, J76J05Q, J81E04Q

All data for this body: [vot]

MPC data
Name (number) 1981 EQ4 (17376)
a 3.12160
e 0.13167
i / sin(i) 8.5576 / 0.14880
q 2.71059
Q 3.53261
ω 277.1614
Node 227.4510
m 293.7089
n 0.1787
Epoch 2460200.5
nobs 1754
nopp 23
Years observed 1976-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.112
ep 0.162
sin(ip) 0.169
Value Standard error
G 0.150
H 14.420
Mass
D 8.98 0.160
pV 0.053 0.0068
Rotational Period 136.172
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1125 0.1615 0.1685 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.06 3.880 3.880 Masiero 2021PSJ.....2..162M NEATM
8.98 0.160 0.160 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0160 0.0330 Masiero 2021PSJ.....2..162M NEATM
0.055 0.0071 0.0071 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
14.42 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
136.17 Pal 2020ApJS..247...26P Lightcurve