Helina

01075, 1906YG, 1916WH, 1926SC, 1930KV, 1965CB, J06Y00G, J16W00H, J26S00C, J30K00V, J65C00B

All data for this body: [vot]

MPC data
Name (number) Helina (1075)
Packed designation 01075
a 3.01382
e 0.10966
i / sin(i) 11.5333 / 0.19994
q 2.68331
Q 3.34433
ω 250.6695
Node 100.7300
m 97.8639
n 0.1884
Epoch 2459600.5
nobs 3801
nopp 40
Years observed 1906-2022
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.014
ep 0.073
sin(ip) 0.180
Value Standard error
G 0.150
H 10.380
Mass
D 30.74 0.296
pV 0.122 0.0051
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.6600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0136 0.0728 0.1803 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
26.20 0.410 0.410 Masiero 2012ApJ...759L...8M NEATM
30.39 7.760 7.760 Nugent 2016AJ....152...63N NEATM
34.48 0.580 0.580 Masiero 2012ApJ...759L...8M NEATM
35.44 1.689 1.689 Ryan&Woodward 2010AJ....140..933R IRAS-STM
35.52 1.500 1.500 Tedesco 2002AJ....123.1056T STM
37.72 3.770 3.770 Ali-Lagoa 2018A&A...612A..85A NEATM
37.93 0.850 0.850 Usui 2011PASJ...63.1117U NEATM
38.33 2.108 2.108 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.106 0.0118 0.0118 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.110 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.110 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.122 0.0110 0.0110 Tedesco 2002AJ....123.1056T STM
0.123 0.0116 0.0116 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.129 0.0090 0.0090 Masiero 2012ApJ...759L...8M NEATM
0.224 0.0430 0.0430 Masiero 2012ApJ...759L...8M 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
10.38 MPC-2022-01-18 MPC-2022-01-18 Phot