Helma

01273, 1932 PF, 1932PF, J32P00F

All data for this body: [vot]

MPC data
Name (number) Helma (1273)
a 2.39416
e 0.16138
i / sin(i) 5.4007 / 0.09412
q 2.00778
Q 2.78054
ω 48.8826
Node 296.4726
m 204.7761
n 0.2661
Epoch 2460200.5
nobs 7202
nopp 34
Years observed 1932-2023
rms 0.42
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.394
ep 0.123
sin(ip) 0.109
Value Standard error
G 0.150
H 13.070
Mass
D 7.26 0.014
pV 0.247 0.0195
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3938 0.1229 0.1086 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.39 0.610 0.610 Usui 2011PASJ...63.1117U NEATM
10.90 2.180 2.180 Ali-Lagoa 2018A&A...612A..85A NEATM
5.30 0.530 0.530 Masiero 2014ApJ...791..121M NEATM
6.28 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
7.26 0.014 0.014 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.119 0.0480 0.0480 Ali-Lagoa 2018A&A...612A..85A NEATM
0.120 0.1600 0.1600 Masiero 2014ApJ...791..121M NEATM
0.259 0.0242 0.0242 Masiero 2011ApJ...741...68M NEATM
0.340 0.0470 0.0470 Masiero 2012ApJ...759L...8M 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
13.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.00 Behrend LCDB Lightcurve
6.07 Behrend LCDB Lightcurve
6.08 Waszczak 2015AJ....150...75W Lightcurve
6.09 Higgins 2007MPBu...34...16H Lightcurve
6.09 Erasmus 2020ApJS..247...13E Lightcurve
6.09 Durech 2020A&A...643A..59D Model
6.09 Durech 2018A&A...617A..57D Model