1991 NG1

1991NG1, 07180, 1982 YR, 1982YR, 1990 HV2, 1990HV2, J82Y00R, J90H02V, J91N01G

All data for this body: [vot]

MPC data
Name (number) 1991 NG1 (7180)
a 3.01029
e 0.11495
i / sin(i) 9.0324 / 0.15699
q 2.66427
Q 3.35631
ω 43.5274
Node 307.4211
m 28.8259
n 0.1887
Epoch 2460200.5
nobs 3129
nopp 25
Years observed 1982-2023
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.008
ep 0.082
sin(ip) 0.175
Value Standard error
G 0.150
H 13.250
Mass
D 8.91 0.289
pV 0.185 0.0155
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.3200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0082 0.0824 0.1751 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.91 0.289 0.289 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.185 0.0155 0.0155 Masiero 2011ApJ...741...68M 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
13.25 MPC-2023-12-04 MPC-2023-12-04 Phot