1999 AB18

1999AB18, 28238, J99A18B

All data for this body: [vot]

MPC data
Name (number) 1999 AB18 (28238)
a 2.87058
e 0.01039
i / sin(i) 2.7191 / 0.04744
q 2.84075
Q 2.90041
ω 105.2517
Node 139.1834
m 33.8197
n 0.2027
Epoch 2460800.5
nobs 2019
nopp 24
Years observed 1994-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.870
ep 0.042
sin(ip) 0.036
G 0.150
H 14.400
Mass
D 3.94 1.249
pV 0.261 0.1431
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.000
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 -0.0300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8701 0.0424 0.0356 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.94 1.249 1.249 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.261 0.1431 0.1431 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
14.40 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 S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT