1990 SU9

1990SU9, 16499, 1997 TQ18, 1997TQ18, J90S09U, J97T18Q

All data for this body: [vot]

MPC data
Name (number) 1990 SU9 (16499)
a 2.28231
e 0.10753
i / sin(i) 4.5134 / 0.07869
q 2.03689
Q 2.52773
ω 61.0608
Node 52.6206
m 269.4186
n 0.2859
Epoch 2460800.5
nobs 3819
nopp 21
Years observed 1990-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.282
ep 0.141
sin(ip) 0.067
G 0.150
H 14.770
Mass
D 3.28 0.926
pV 0.197 0.0479
Value
Rotational Period 5.000
Period quality 2
Spectral Class S
Spectral Class Score 14.186
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2820 0.1415 0.0670 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.28 0.926 0.926 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.197 0.0479 0.0479 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
14.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.0382 2 Sidereal Durech 2023A&A...675A..24D Model
5.04 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.97 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7157 0.7120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT