Alcathous

02241, 1950 NC, 1950NC, 1968 WF, 1968WF, 1979 WM, 1979WM, J50N00C, J68W00F, J79W00M

All data for this body: [vot]

MPC data
Name (number) Alcathous (2241)
a 5.17170
e 0.06633
i / sin(i) 16.6270 / 0.28614
q 4.82865
Q 5.51476
ω 292.0347
Node 267.9769
m 171.5549
n 0.0838
Epoch 2460800.5
nobs 5233
nopp 39
Years observed 1950-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 8.520
Mass
D 112.64 0.996
pV 0.046 0.0019
Value
Rotational Period 7.680
Period quality 3
Spectral Class D
Spectral Class Score 18.930
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
106.12 2.073 2.073 Ryan&Woodward 2010AJ....140..933R IRAS-STM
113.68 1.720 1.720 Grav 2012ApJ...759...49G NEATM
114.63 5.800 5.800 Tedesco 2002AJ....123.1056T STM
116.94 11.690 11.690 Ali-Lagoa 2018A&A...612A..85A NEATM
118.00 4.200 4.200 Fernandez 2003AJ....126.1563F RADIOMETRY_STM
118.87 2.270 2.270 Usui 2011PASJ...63.1117U NEATM
119.06 23.810 23.810 Ali-Lagoa 2018A&A...612A..85A NEATM
129.87 5.234 5.234 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
135.14 8.560 8.560 Grav 2011ApJ...742...40G NEATM
98.40 3.200 3.200 Fernandez 2003AJ....126.1563F RADIOMETRY_STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0080 0.0080 Grav 2011ApJ...742...40G NEATM
0.037 0.0030 0.0030 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.047 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
0.048 0.0120 0.0120 Grav 2012ApJ...759...49G NEATM
0.055 0.0031 0.0031 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.056 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.058 0.0120 0.0120 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
8.52 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.84523 2 Synodic Pal 2020ApJS..247...26P Lightcurve
7.2 2 Synodic Behrend LCDB Lightcurve
7.687 2 Synodic Mottola 2011AJ....141..170M Lightcurve
7.689 3 Synodic Stephens 2015MPBu...42R.216S Lightcurve
7.69 2+ Synodic French 2011MPBu...38..116F Lightcurve
7.691 3 Synodic Stephens 2016MPBu...43..323S Lightcurve
7.695 3- Synodic Stephens 2014MPBu...41...95S Lightcurve
7.696 3 Synodic Stephens 2018MPBu...45..124S Lightcurve
7.698 3- Synodic Stephens 2017MPBu...44..123S Lightcurve
9.41 1 Synodic De Sanctis 1994P&SS...42..859D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
D 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
D 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC