1999 UJ23

1999UJ23, 1998 HG79, 1998HG79, 44864, J98H79G, J99U23J

All data for this body: [vot]

MPC data
Name (number) 1999 UJ23 (44864)
a 2.36770
e 0.11919
i / sin(i) 5.0281 / 0.08765
q 2.08549
Q 2.64991
ω 107.7877
Node 254.4818
m 10.1838
n 0.2705
Epoch 2460800.5
nobs 1736
nopp 20
Years observed 1998-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.368
ep 0.082
sin(ip) 0.103
G 0.150
H 15.620
Mass
D 1.89 0.284
pV 0.374 0.1340
Value
Rotational Period 9.120
Period quality 2
Spectral Class V
Spectral Class Score 6.093
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3679 0.0821 0.1035 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.89 0.284 0.284 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.374 0.1340 0.1340 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
15.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.121 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
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT
V V 0.6221 0.6221 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT