1999 BA4

1999BA4, 2000 KM53, 2000KM53, 29733, J99B04A, K00K53M

All data for this body: [vot]

MPC data
Name (number) 1999 BA4 (29733)
a 2.44760
e 0.08578
i / sin(i) 5.5399 / 0.09654
q 2.23766
Q 2.65755
ω 131.9464
Node 77.5166
m 229.3823
n 0.2574
Epoch 2460800.5
nobs 3221
nopp 22
Years observed 1996-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.447
ep 0.114
sin(ip) 0.082
G 0.150
H 14.070
Mass
D 3.56 0.157
pV 0.225 0.0678
Value
Rotational Period 849.180
Period quality 2
Spectral Class V
Spectral Class Score 24.424
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4470 0.1136 0.0815 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.54 0.158 0.158 Masiero 2011ApJ...741...68M NEATM
4.79 1.140 1.140 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.130 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.466 0.1274 0.1274 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
14.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
849.186 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 Bus-DeMeo VIS Matlovic 2020A%26A...643A.107M SPEC
V Popescu NIR Mansour 2020MNRAS.491.5966M SPEC+PHOT
V 0.579 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT