Alekto

00465, 1901 AC, 1901AC, 1907 EF, 1907EF, 1916 YC, 1916YC, 1949 YE1, 1949YE1, 1949 YU, 1949YU, 1968 PB, 1968PB, J01A00C, J07E00F, J16Y00C, J49Y00U, J49Y01E, J68P00B

All data for this body: [vot]

MPC data
Name (number) Alekto (465)
a 3.10989
e 0.19933
i / sin(i) 4.6553 / 0.08116
q 2.48999
Q 3.72980
ω 285.2593
Node 300.0413
m 226.2537
n 0.1797
Epoch 2460800.5
nobs 6441
nopp 54
Years observed 1901-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.092
ep 0.237
sin(ip) 0.110
G 0.150
H 9.850
Mass 3.004e+17 5.714e+16
D 72.47 0.613
pV 0.047 0.0020
Value
Rotational Period 10.930
Period quality 3
Spectral Class T
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0921 0.2375 0.1097 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.6174e+17 8.0806e+16 8.0806e+16 Fienga INPOP19a Ephem
4.3900e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
61.39 2.056 2.056 Ryan&Woodward 2010AJ....140..933R IRAS-STM
62.04 15.557 15.557 Masiero 2017AJ....154..168M NEATM
65.08 18.332 18.332 Masiero 2017AJ....154..168M NEATM
67.78 13.560 13.560 Ali-Lagoa 2018A&A...612A..85A NEATM
72.64 0.860 0.860 Usui 2011PASJ...63.1117U NEATM
73.34 2.800 2.800 Tedesco 2002AJ....123.1056T STM
73.85 14.770 14.770 Ali-Lagoa 2018A&A...612A..85A NEATM
74.43 1.167 1.167 Masiero 2011ApJ...741...68M NEATM
76.04 7.600 7.600 Ali-Lagoa 2018A&A...612A..85A NEATM
76.87 3.739 3.739 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
77.70 3.100 3.100 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0039 0.0039 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.040 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.042 0.0068 0.0068 Masiero 2011ApJ...741...68M NEATM
0.043 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0040 0.0040 Tedesco 2002AJ....123.1056T STM
0.051 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.052 0.0259 0.0259 Masiero 2017AJ....154..168M NEATM
0.059 0.0265 0.0265 Masiero 2017AJ....154..168M NEATM
0.062 0.0041 0.0041 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
9.85 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.936 3- Synodic Pilcher 2015MPBu...42...91P Lightcurve
10.936 3 Synodic Pilcher 2016MPBu...43..296P Lightcurve
10.936 3 Synodic Pilcher 2016MPBu...43..296P Lightcurve
10.938 3- Synodic Pilcher 2013MPBu...40...33P Lightcurve
10.94 3 Synodic Pilcher 2016MPBu...43..296P Lightcurve
14.57 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
P D 0.520000 0.470000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
T Bus VIS Lazzaro 2004Icar..172..179L SPEC
T Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.939 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT