1999 GQ23

1999GQ23, 19530, 1989 MP, 1989MP, 1989 NZ1, 1989NZ1, 2000 SU179, 2000SU179, J89M00P, J89N01Z, J99G23Q, K00SH9U

All data for this body: [vot]

MPC data
Name (number) 1999 GQ23 (19530)
a 2.30081
e 0.23627
i / sin(i) 2.4441 / 0.04265
q 1.75721
Q 2.84442
ω 3.2270
Node 294.7713
m 86.8664
n 0.2824
Epoch 2460800.5
nobs 3293
nopp 22
Years observed 1989-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.304
ep 0.210
sin(ip) 0.057
G 0.150
H 14.630
Mass
D 7.40 0.032
pV 0.062 0.0054
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3038 0.2104 0.0573 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.34 1.210 1.210 Masiero 2020PSJ.....1....5M NEATM
5.60 1.560 1.560 Masiero 2021PSJ.....2..162M NEATM
5.89 1.500 1.500 Masiero 2020PSJ.....1....5M NEATM
6.71 2.060 2.060 Masiero 2012ApJ...759L...8M NEATM
7.41 0.032 0.032 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.061 0.0055 0.0055 Masiero 2011ApJ...741...68M NEATM
0.065 0.1070 0.1070 Masiero 2012ApJ...759L...8M NEATM
0.069 0.0630 0.0630 Masiero 2020PSJ.....1....5M NEATM
0.085 0.0430 0.0870 Masiero 2021PSJ.....2..162M NEATM
0.097 0.0490 0.0490 Masiero 2020PSJ.....1....5M 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
14.63 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.50 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.4040 0.4040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT