1999 UE9

1999UE9, 43001, J99U09E

All data for this body: [vot]

MPC data
Name (number) 1999 UE9 (43001)
a 2.93111
e 0.09608
i / sin(i) 1.3779 / 0.02405
q 2.64947
Q 3.21274
ω 218.5393
Node 212.2845
m 8.9523
n 0.1964
Epoch 2460800.5
nobs 3229
nopp 22
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.930
ep 0.081
sin(ip) 0.037
G 0.150
H 13.840
Mass
D 5.07 0.233
pV 0.274 0.0417
Value
Rotational Period 8.030
Period quality 2
Spectral Class None
Spectral Class Score
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 0.5700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9302 0.0813 0.0373 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.07 0.233 0.233 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.274 0.0417 0.0417 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
13.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.038 2 Sidereal Durech 2023A&A...675A..24D Model