1987 SQ4

1987SQ4, 1978 TE6, 1978TE6, 29136, J78T06E, J87S04Q

All data for this body: [vot]

MPC data
Name (number) 1987 SQ4 (29136)
a 2.77350
e 0.20704
i / sin(i) 7.1816 / 0.12501
q 2.19928
Q 3.34772
ω 150.7572
Node 195.9643
m 286.1306
n 0.2134
Epoch 2460200.5
nobs 1863
nopp 22
Years observed 1978-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.772
ep 0.172
sin(ip) 0.129
Value Standard error
G 0.150
H 14.530
Mass
D 3.40 0.131
pV 0.420 0.0524
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7721 0.1721 0.1291 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.40 0.131 0.131 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.420 0.0524 0.0524 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
14.53 MPC-2023-12-04 MPC-2023-12-04 Phot