1999 TD231

1999TD231, 2000 YA96, 2000YA96, 40952, J99TN1D, K00Y96A

All data for this body: [vot]

MPC data
Name (number) 1999 TD231 (40952)
a 2.72960
e 0.07723
i / sin(i) 6.4016 / 0.11150
q 2.51879
Q 2.94042
ω 222.9278
Node 104.0229
m 278.8479
n 0.2186
Epoch 2460800.5
nobs 1303
nopp 24
Years observed 1991-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Padua (363)
 
ap 2.729
ep 0.045
sin(ip) 0.089
G 0.150
H 15.300
Mass
D 4.85 0.215
pV 0.057 0.0135
Value
Rotational Period 5.000
Period quality
Spectral Class X
Spectral Class Score 4.578
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
363 Padua 0 Padua Novakovic 2019EPSC...13.1671N HCM
363 Padua 507 Padua -0.3700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7294 0.0454 0.0890 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.85 0.215 0.215 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0135 0.0135 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
15.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.4 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
X C 0.763000 0.237000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT