Megaira

00464, 1901 AB, 1901AB, 1912 JB, 1912JB, 1912 JC, 1912JC, 1916 FD, 1916FD, 1929 AH, 1929AH, J01A00B, J12J00B, J12J00C, J16F00D, J29A00H

All data for this body: [vot]

MPC data
Name (number) Megaira (464)
a 2.80347
e 0.20395
i / sin(i) 10.1622 / 0.17644
q 2.23170
Q 3.37524
ω 257.9958
Node 102.3187
m 271.8209
n 0.2100
Epoch 2460800.5
nobs 5231
nopp 46
Years observed 1901-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.803
ep 0.159
sin(ip) 0.162
G 0.150
H 9.710
Mass 6.908e+17 2.881e+17
D 77.81 0.314
pV 0.040 0.0023
Value
Rotational Period 12.870
Period quality 3
Spectral Class C
Spectral Class Score 9.418
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8029 0.1587 0.1619 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.4100e+17 Folkner 2014IPNPR.196C...1F Ephem
8.4066e+17 4.0747e+17 4.0747e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
56.93 15.508 15.508 Masiero 2017AJ....154..168M NEATM
70.12 7.010 7.010 Ali-Lagoa 2018A&A...612A..85A NEATM
71.58 29.950 29.950 Masiero 2020PSJ.....1....5M NEATM
72.70 16.773 16.773 Ryan&Woodward 2010AJ....140..933R IRAS-STM
74.04 5.900 5.900 Tedesco 2002AJ....123.1056T STM
74.72 21.851 21.851 Masiero 2017AJ....154..168M NEATM
77.06 0.450 0.450 Masiero 2014ApJ...791..121M NEATM
77.20 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
78.06 0.793 0.793 Masiero 2011ApJ...741...68M NEATM
78.43 0.620 0.620 Masiero 2014ApJ...791..121M NEATM
79.28 1.160 1.160 Usui 2011PASJ...63.1117U NEATM
80.40 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
82.17 3.203 3.203 Masiero 2011ApJ...741...68M NEATM
84.27 4.103 4.103 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
85.50 23.730 23.730 Nugent 2016AJ....152...63N NEATM
89.32 8.930 8.930 Ali-Lagoa 2018A&A...612A..85A NEATM
90.53 24.560 24.560 Masiero 2020PSJ.....1....5M NEATM
91.29 31.670 31.670 Nugent 2016AJ....152...63N NEATM
91.81 31.750 31.750 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0060 0.0060 Ali-Lagoa 2018A&A...612A..85A NEATM
0.030 0.0190 0.0190 Masiero 2020PSJ.....1....5M NEATM
0.030 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.030 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.030 0.0170 0.0410 Masiero 2021PSJ.....2..162M NEATM
0.037 0.0231 0.0231 Masiero 2017AJ....154..168M NEATM
0.039 0.0040 0.0040 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.041 0.0054 0.0054 Masiero 2011ApJ...741...68M NEATM
0.043 0.0440 0.0440 Masiero 2020PSJ.....1....5M NEATM
0.045 0.0081 0.0081 Masiero 2011ApJ...741...68M NEATM
0.048 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.050 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.061 0.0268 0.0268 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.064 0.0308 0.0308 Masiero 2017AJ....154..168M 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
9.71 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.726 2 Synodic Behrend LCDB Lightcurve
12.86 2 Synodic Polakis 2019MPBu...46..287P Lightcurve
12.871 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
12.879 3 Synodic Pilcher 2019MPBu...46..360P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bus VIS Bus 2002Icar..158..146B SPEC
C C 0.7363 0.7363 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
P 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC