1991 GB1

1991GB1, 10531, J91G01B

All data for this body: [vot]

MPC data
Name (number) 1991 GB1 (10531)
a 1.96171
e 0.04413
i / sin(i) 20.9878 / 0.35817
q 1.87515
Q 2.04828
ω 222.0299
Node 24.0083
m 98.9293
n 0.3587
Epoch 2460800.5
nobs 2766
nopp 22
Years observed 1989-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Hungaria (434)
 
ap 1.962
ep 0.070
sin(ip) 0.363
G 0.150
H 14.860
Mass
D 2.11 0.071
pV 0.908 0.1148
Value
Rotational Period 55.000
Period quality 2+
Spectral Class X
Spectral Class Score 6.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
434 Hungaria 0 Hungaria Novakovic 2019EPSC...13.1671N HCM
434 Hungaria 3 Hungaria 0.8100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9619 0.0696 0.3632 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.11 0.071 0.071 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.908 0.1148 0.1148 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
14.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
55.1 2+ Synodic Stephens 2014MPBu...41....8S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT