1999 AH18

1999AH18, 29718, J99A18H

All data for this body: [vot]

MPC data
Name (number) 1999 AH18 (29718)
a 2.65821
e 0.18160
i / sin(i) 13.8922 / 0.24010
q 2.17547
Q 3.14094
ω 36.2595
Node 127.4574
m 1.4615
n 0.2274
Epoch 2460800.5
nobs 3814
nopp 24
Years observed 1984-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Juno (3)
 
ap 2.658
ep 0.227
sin(ip) 0.223
G 0.150
H 13.770
Mass
D 5.97 0.348
pV 0.198 0.0277
Value
Rotational Period 19.190
Period quality 2
Spectral Class S
Spectral Class Score 20.490
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
3 Juno 501 Juno -0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6575 0.2272 0.2229 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.97 0.348 0.348 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.198 0.0277 0.0277 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
13.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.1906 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L S 0.5509 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7013 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8514 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8953 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9670 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.7940 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT