Simonhelberg

08625, 1949 SE, 1949SE, 1978 NH5, 1978NH5, 1981 EX15, 1981EX15, J49S00E, J78N05H, J81E15X

All data for this body: [vot]

MPC data
Name (number) Simonhelberg (8625)
a 2.60561
e 0.07944
i / sin(i) 3.6300 / 0.06331
q 2.39861
Q 2.81260
ω 58.0650
Node 326.4543
m 192.0702
n 0.2343
Epoch 2460200.5
nobs 1876
nopp 22
Years observed 1953-2023
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 14.690
Mass
D 3.69 0.865
pV 0.247 0.1144
Rotational Period 5.270
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.69 0.865 0.865 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.247 0.1144 0.1144 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
14.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
5.27 Waszczak 2015AJ....150...75W Lightcurve
5.27 Chang 2015ApJS..219...27C Lightcurve
5.28 Waszczak 2015AJ....150...75W Lightcurve
5.28 Waszczak 2015AJ....150...75W Lightcurve