Helenabates

1979 SX14, 1979SX14, 2001 OO8, 2001OO8, 28994, J79S14X, K01O08O

All data for this body: [vot]

MPC data
Name (number) Helenabates (28994)
a 2.69988
e 0.23515
i / sin(i) 5.1144 / 0.08914
q 2.06501
Q 3.33475
ω 198.5448
Node 141.9875
m 338.8912
n 0.2222
Epoch 2460200.5
nobs 1266
nopp 20
Years observed 1979-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.699
ep 0.202
sin(ip) 0.072
Value Standard error
G 0.150
H 15.330
Mass
D 5.73 0.054
pV 0.054 0.0074
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6992 0.2019 0.0724 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.33 1.420 1.420 Masiero 2021PSJ.....2..162M NEATM
4.78 1.320 1.320 Masiero 2021PSJ.....2..162M NEATM
4.91 1.410 1.410 Masiero 2012ApJ...759L...8M NEATM
5.74 0.054 0.054 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.051 0.0079 0.0079 Masiero 2011ApJ...741...68M NEATM
0.064 0.0260 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.073 0.0300 0.0300 Masiero 2012ApJ...759L...8M NEATM
0.078 0.0340 0.0600 Masiero 2021PSJ.....2..162M 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
15.33 MPC-2023-12-04 MPC-2023-12-04 Phot