1999 UA42

1999UA42, I1966, J99U42A

All data for this body: [vot]

MPC data
Name (number) 1999 UA42 (181966)
a 2.22431
e 0.21495
i / sin(i) 4.5685 / 0.07965
q 1.74619
Q 2.70244
ω 7.0706
Node 327.6213
m 282.0363
n 0.2971
Epoch 2460800.5
nobs 807
nopp 16
Years observed 1999-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.224
ep 0.158
sin(ip) 0.079
G 0.150
H 16.730
Mass
D 1.70 0.427
pV 0.140 0.0963
Value
Rotational Period 2.200
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 0 Flora Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2243 0.1584 0.0785 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.70 0.427 0.427 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.140 0.0963 0.0963 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
16.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.24 2 Synodic Chang 2015ApJS..219...27C Lightcurve