Helga

00522, 1902WB, 1904AF, 1936QP, J02W00B, J04A00F, J36Q00P

All data for this body: [vot]

MPC data
Name (number) Helga (522)
Packed designation 00522
a 3.62760
e 0.08670
i / sin(i) 4.4197 / 0.07706
q 3.31310
Q 3.94210
ω 248.7268
Node 116.5698
m 123.5421
n 0.1427
Epoch 2459600.5
nobs 4163
nopp 66
Years observed 1904-2022
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.630
ep 0.038
sin(ip) 0.058
Value Standard error
G 0.150
H 9.050
Mass
D 100.18 1.102
pV 0.039 0.0023
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.6300 0.0385 0.0583 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
83.70 4.850 4.850 Masiero 2011ApJ...741...68M NEATM
100.76 1.230 1.230 Usui 2011PASJ...63.1117U NEATM
101.22 3.500 3.500 Tedesco 2002AJ....123.1056T STM
104.42 7.747 7.747 Ryan&Woodward 2010AJ....140..933R IRAS-STM
105.56 21.110 21.110 Ali-Lagoa 2018A&A...612A..85A NEATM
107.28 9.370 9.370 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
108.37 10.840 10.840 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0060 0.0060 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.037 0.0055 0.0055 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.039 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.041 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.057 0.0133 0.0133 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.05 MPC-2022-01-18 MPC-2022-01-18 Phot