1999 TR171

1999TR171, 2001 AL40, 2001AL40, 40921, J99TH1R, K01A40L

All data for this body: [vot]

MPC data
Name (number) 1999 TR171 (40921)
a 2.86936
e 0.06467
i / sin(i) 3.1811 / 0.05549
q 2.68380
Q 3.05492
ω 243.1920
Node 81.5282
m 151.4566
n 0.2028
Epoch 2460800.5
nobs 1413
nopp 22
Years observed 1994-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.869
ep 0.045
sin(ip) 0.037
G 0.150
H 14.730
Mass
D 3.47 0.655
pV 0.176 0.1157
Value
Rotational Period 6.660
Period quality 2+
Spectral Class S
Spectral Class Score 5.950
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
832 Karin 0 Karin Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.0400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
832 Karin 610 Karin 1.9400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8688 0.0453 0.0367 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.47 0.655 0.655 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.176 0.1157 0.1157 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
14.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.662 2+ Synodic Yoshida 2016Icar..269...15Y Lightcurve
6.74 Synodic Yoshida 2004PASJ...56.1105Y Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT