Hela

00699, 1902WE, 1910LC, 1923TB, 1948KD, 1957WX1, J02W00E, J10L00C, J23T00B, J48K00D, J57W01X

All data for this body: [vot]

MPC data
Name (number) Hela (699)
Packed designation 00699
a 2.61261
e 0.41015
i / sin(i) 15.2924 / 0.26375
q 1.54105
Q 3.68417
ω 91.3895
Node 242.5359
m 111.1203
n 0.2334
Epoch 2459600.5
nobs 3384
nopp 36
Years observed 1902-2022
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 11.460
Mass
D 13.67 0.408
pV 0.052 0.0087
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.20 1.800 1.800 Ali-Lagoa 2017A&A...603A..55A NEATM
13.28 2.660 2.660 Ali-Lagoa 2018A&A...612A..85A NEATM
13.39 0.450 0.450 Usui 2011PASJ...63.1117U NEATM
14.16 1.420 1.420 Ali-Lagoa 2018A&A...612A..85A NEATM
26.30 3.900 3.900 Ali-Lagoa 2017A&A...603A..55A NEATM
31.50 4.700 4.700 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0100 0.0100 Ali-Lagoa 2017A&A...603A..55A NEATM
0.050 0.0200 0.0200 Ali-Lagoa 2017A&A...603A..55A NEATM
0.240 0.0700 0.0700 Ali-Lagoa 2017A&A...603A..55A NEATM
0.284 0.0570 0.0570 Ali-Lagoa 2018A&A...612A..85A NEATM
0.323 0.1290 0.1290 Ali-Lagoa 2018A&A...612A..85A 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
11.46 MPC-2022-01-18 MPC-2022-01-18 Phot