Aletheia

00259, 1886 MA, 1886MA, 1947 LD, 1947LD, I86M00A, J47L00D

All data for this body: [vot]

MPC data
Name (number) Aletheia (259)
a 3.13343
e 0.12992
i / sin(i) 10.8086 / 0.18753
q 2.72634
Q 3.54053
ω 166.3724
Node 86.7808
m 352.8598
n 0.1777
Epoch 2460800.5
nobs 4609
nopp 60
Years observed 1898-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.138
ep 0.145
sin(ip) 0.164
G 0.150
H 7.810
Mass 4.420e+17 1.680e+17
D 179.28 0.804
pV 0.041 0.0022
Value
Rotational Period 8.140
Period quality 3
Spectral Class X
Spectral Class Score 25.844
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1383 0.1450 0.1643 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.5600e+19 9.3800e+18 9.3800e+18 Zielenbach 2011AJ....142..120Z Deflec
3.7200e+17 1.6900e+17 1.6900e+17 Fienga 2011CeMDA.111..363F Ephem
4.2200e+18 Folkner 2014IPNPR.196C...1F Ephem
5.4300e+18 1.9911e+18 1.9911e+18 Fienga INPOP19a Ephem
7.3600e+18 4.5800e+18 4.5800e+18 Zielenbach 2011AJ....142..120Z Deflec
8.2300e+18 4.6600e+18 4.6600e+18 Zielenbach 2011AJ....142..120Z Deflec
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
156.31 56.660 56.660 Nugent 2016AJ....152...63N NEATM
165.60 69.490 69.490 Nugent 2016AJ....152...63N NEATM
171.36 57.230 57.230 Masiero 2021PSJ.....2..162M NEATM
174.32 1.050 1.050 Masiero 2012ApJ...759L...8M NEATM
174.67 2.370 2.370 Usui 2011PASJ...63.1117U NEATM
178.60 6.800 6.800 Tedesco 2002AJ....123.1056T STM
178.79 4.810 4.810 Masiero 2014ApJ...791..121M NEATM
179.07 17.910 17.910 Ali-Lagoa 2018A&A...612A..85A NEATM
182.87 3.488 3.488 Masiero 2011ApJ...741...68M NEATM
187.44 18.740 18.740 Ali-Lagoa 2018A&A...612A..85A NEATM
190.00 nan nan Marchis 2006Icar..185...39M AO
195.74 1.826 1.826 Ryan&Woodward 2010AJ....140..933R IRAS-STM
198.48 14.970 14.970 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0054 0.0054 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.036 0.0135 0.0135 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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 0.0048 0.0048 Masiero 2011ApJ...741...68M NEATM
0.043 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.044 0.0040 0.0040 Tedesco 2002AJ....123.1056T STM
0.045 0.0210 0.0390 Masiero 2021PSJ.....2..162M NEATM
0.046 0.0080 0.0080 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N 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
7.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.23 1 Synodic Robinson LCDB Lightcurve
15.0 1 Synodic Weidenschilling 1990Icar...86..402W Lightcurve
8.14 2 Synodic Behrend LCDB Lightcurve
8.143 3 Synodic Koff 2006MPBu...33...31K Lightcurve
8.1438 3 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
X Bus VIS Fornasier 2014Icar..233..163F SPEC
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C 0.920000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C P 0.610000 0.360000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
P 0.970000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.974 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT