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 3.00532
e 0.11596
i / sin(i) 9.0472 / 0.15725
q 2.65681
Q 3.35383
ω 42.6422
Node 307.2619
m 143.1210
n 0.1892
Epoch 2460800.5
nobs 3904
nopp 26
Years observed 1982-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.008
ep 0.082
sin(ip) 0.175
G 0.150
H 13.190
Mass
D 8.91 0.289
pV 0.185 0.0155
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.820
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
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-Nov-2024
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
13.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.970 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT