Lachesis

00120, 1872 GB, 1872GB, 1910 CF, 1910CF, 1918 UB, 1918UB, I72G00B, J10C00F, J18U00B

All data for this body: [vot]

MPC data
Name (number) Lachesis (120)
a 3.12252
e 0.04902
i / sin(i) 6.9376 / 0.12079
q 2.96945
Q 3.27559
ω 241.6555
Node 340.5658
m 259.8927
n 0.1786
Epoch 2460800.5
nobs 5861
nopp 71
Years observed 1872-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.117
ep 0.086
sin(ip) 0.133
G 0.150
H 7.780
Mass 5.688e+18 1.106e+18
D 159.31 0.804
pV 0.045 0.0012
Value
Rotational Period 46.550
Period quality 3
Spectral Class C
Spectral Class Score 45.700
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1171 0.0864 0.1327 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.3768e+18 1.5637e+18 1.5637e+18 Fienga INPOP19a Ephem
8.0000e+18 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
137.99 48.730 48.730 Nugent 2016AJ....152...63N NEATM
148.19 69.540 69.540 Nugent 2016AJ....152...63N NEATM
155.13 1.130 1.130 Masiero 2014ApJ...791..121M NEATM
156.53 1.670 1.670 Usui 2011PASJ...63.1117U NEATM
158.00 4.720 4.720 Masiero 2014ApJ...791..121M NEATM
162.56 3.105 3.105 Masiero 2011ApJ...741...68M NEATM
166.65 4.114 4.114 Masiero 2011ApJ...741...68M NEATM
168.88 33.780 33.780 Ali-Lagoa 2018A&A...612A..85A NEATM
170.56 17.060 17.060 Ali-Lagoa 2018A&A...612A..85A NEATM
171.21 17.120 17.120 Ali-Lagoa 2018A&A...612A..85A NEATM
174.10 2.900 2.900 Tedesco 2002AJ....123.1056T STM
181.99 4.121 4.121 Ryan&Woodward 2010AJ....140..933R IRAS-STM
189.32 8.708 8.708 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0037 0.0037 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.042 0.0019 0.0019 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.046 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.051 0.0100 0.0100 Masiero 2011ApJ...741...68M NEATM
0.051 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.051 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.052 0.0210 0.0210 Ali-Lagoa 2018A&A...612A..85A NEATM
0.053 0.0066 0.0066 Masiero 2011ApJ...741...68M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.060 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.060 0.1200 0.1200 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
7.78 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.0 Synodic Debehogne 1983Icar...55..236D Lightcurve
45.84 2 Synodic Bembrick 2005MPBu...32...45B Lightcurve
46.5508 2 Sidereal Hanus 2016A&A...586A.108H Model
46.551 3 Synodic Pilcher 2009MPBu...36..100P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Luo 2024AJ....167...13L SPEC
C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
C Bus VIS Bus 2002Icar..158..146B SPEC
C Bus VIS Fornasier 2014Icar..233..163F SPEC
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC