Antoku

03686, 1974 KF, 1974KF, 1978 EF, 1978EF, 1978 ET6, 1978ET6, 1979 OW14, 1979OW14, 1987 EB, 1987EB, J74K00F, J78E00F, J78E06T, J79O14W, J87E00B

All data for this body: [vot]

MPC data
Name (number) Antoku (3686)
a 2.73988
e 0.14778
i / sin(i) 5.7263 / 0.09978
q 2.33497
Q 3.14479
ω 78.6917
Node 134.5328
m 99.1341
n 0.2173
Epoch 2460800.5
nobs 4861
nopp 34
Years observed 1954-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.740
ep 0.183
sin(ip) 0.087
G 0.150
H 12.520
Mass
D 17.65 0.071
pV 0.049 0.0024
Value
Rotational Period 6.730
Period quality 3-
Spectral Class X
Spectral Class Score 17.247
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7404 0.1831 0.0874 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.42 3.280 3.280 Ali-Lagoa 2018A&A...612A..85A NEATM
16.52 4.870 4.870 Masiero 2021PSJ.....2..162M NEATM
16.68 4.720 4.720 Nugent 2016AJ....152...63N NEATM
16.88 0.800 0.800 Tedesco 2002AJ....123.1056T STM
17.32 1.820 1.820 Nugent 2016AJ....152...63N NEATM
17.36 0.123 0.123 Masiero 2011ApJ...741...68M NEATM
17.48 1.490 1.490 Ryan&Woodward 2010AJ....140..933R IRAS-STM
17.54 5.120 5.120 Masiero 2021PSJ.....2..162M NEATM
17.74 0.090 0.090 Masiero 2014ApJ...791..121M NEATM
18.80 0.530 0.530 Usui 2011PASJ...63.1117U NEATM
20.20 4.040 4.040 Ali-Lagoa 2018A&A...612A..85A NEATM
20.52 0.693 0.693 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0053 0.0053 Masiero 2011ApJ...741...68M NEATM
0.046 0.0032 0.0032 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.051 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.053 0.0210 0.0350 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.060 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.062 0.0260 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.063 0.0178 0.0178 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.068 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
0.077 0.0310 0.0310 Ali-Lagoa 2018A&A...612A..85A 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
12.52 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.2 1 Synodic Lagerkvist 1979AcA....29..455L Lightcurve
6.73 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
6.73 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
6.734 3- Synodic Behrend LCDB Lightcurve
6.744 3- Synodic Fornas LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.66 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.900000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
X Bus VIS Bus 2002Icar..158..146B SPEC
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.7079 0.7079 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT