1999 TC171

1999TC171, 1987 OL1, 1987OL1, 2001 AF3, 2001AF3, 38502, J87O01L, J99TH1C, K01A03F

All data for this body: [vot]

MPC data
Name (number) 1999 TC171 (38502)
a 3.16196
e 0.20788
i / sin(i) 2.4887 / 0.04342
q 2.50466
Q 3.81925
ω 246.3221
Node 77.3611
m 240.0343
n 0.1753
Epoch 2460800.5
nobs 2044
nopp 24
Years observed 1987-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.173
ep 0.181
sin(ip) 0.026
G 0.150
H 14.290
Mass
D 7.05 0.175
pV 0.098 0.0090
Value
Rotational Period 1.000
Period quality
Spectral Class X
Spectral Class Score 7.794
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 0.2700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1732 0.1807 0.0263 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.05 0.175 0.175 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.098 0.0090 0.0090 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
14.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
1.0 Synodic Erasmus 2018ApJS..237...19E Lightcurve
1.0 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 0.823 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X C 0.643000 0.226000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT
X C 0.656000 0.215000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT