1999 PB4

1999PB4, 1993 OU5, 1993OU5, 38243, J93O05U, J99P04B

All data for this body: [vot]

MPC data
Name (number) 1999 PB4 (38243)
a 3.15082
e 0.21936
i / sin(i) 3.0444 / 0.05311
q 2.45966
Q 3.84198
ω 245.1830
Node 107.5103
m 209.9454
n 0.1762
Epoch 2460800.5
nobs 1620
nopp 22
Years observed 1993-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.163
ep 0.180
sin(ip) 0.033
G 0.150
H 14.630
Mass
D 6.50 0.072
pV 0.073 0.0067
Value
Rotational Period 1.900
Period quality
Spectral Class C
Spectral Class Score 11.214
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1630 0.1802 0.0327 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.50 0.072 0.072 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.073 0.0067 0.0067 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
14.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
1.97 Synodic Erasmus 2018ApJS..237...19E Lightcurve
1.97 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.933000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT
C 0.936000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT