Helionape

00967, 1921 VE, 1921VE, 1922 AB, 1922AB, J21V00E, J22A00B

All data for this body: [vot]

MPC data
Name (number) Helionape (967)
a 2.22560
e 0.16793
i / sin(i) 5.4117 / 0.09431
q 1.85185
Q 2.59934
ω 231.9590
Node 82.3307
m 330.6506
n 0.2968
Epoch 2460200.5
nobs 10911
nopp 36
Years observed 1924-2023
rms 0.31
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.225
ep 0.115
sin(ip) 0.081
Value Standard error
G 0.150
H 12.250
Mass
D 10.34 0.079
pV 0.209 0.0160
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2255 0.1150 0.0808 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.22 0.360 0.360 Masiero 2012ApJ...759L...8M NEATM
11.97 1.000 1.000 Tedesco 2002AJ....123.1056T STM
13.55 0.210 0.210 Usui 2011PASJ...63.1117U NEATM
14.25 1.420 1.420 Ali-Lagoa 2018A&A...612A..85A NEATM
15.29 1.530 1.530 Ali-Lagoa 2018A&A...612A..85A NEATM
7.77 0.640 0.640 Masiero 2014ApJ...791..121M NEATM
9.77 0.089 0.089 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.165 0.0330 0.0330 Ali-Lagoa 2018A&A...612A..85A NEATM
0.178 0.0340 0.0340 Tedesco 2002AJ....123.1056T STM
0.190 0.0380 0.0380 Ali-Lagoa 2018A&A...612A..85A NEATM
0.210 0.0700 0.0700 Masiero 2014ApJ...791..121M NEATM
0.269 0.0338 0.0338 Masiero 2011ApJ...741...68M NEATM
0.294 0.0540 0.0540 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
12.25 MPC-2023-12-04 MPC-2023-12-04 Phot