Geng

1997 GN22, 1997GN22, 1999 TB28, 1999TB28, 21359, J97G22N, J99T28B

All data for this body: [vot]

MPC data
Name (number) Geng (21359)
a 2.93847
e 0.02582
i / sin(i) 0.7470 / 0.01304
q 2.86260
Q 3.01435
ω 236.3023
Node 295.3610
m 249.7530
n 0.1957
Epoch 2460800.5
nobs 2080
nopp 23
Years observed 1997-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.938
ep 0.060
sin(ip) 0.033
G 0.150
H 14.560
Mass
D 3.93 0.696
pV 0.218 0.0576
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.304
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.4600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9382 0.0601 0.0332 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.93 0.696 0.696 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.218 0.0576 0.0576 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
14.56 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 0.884 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT