Comacina

00489, 1902 RD, 1902RD, 1911 DA, 1911DA, J02R00D, J11D00A

All data for this body: [vot]

MPC data
Name (number) Comacina (489)
a 3.15211
e 0.04867
i / sin(i) 12.9924 / 0.22482
q 2.99870
Q 3.30552
ω 8.2643
Node 166.6751
m 129.9294
n 0.1761
Epoch 2460800.5
nobs 8395
nopp 55
Years observed 1902-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.154
ep 0.073
sin(ip) 0.217
G 0.150
H 8.610
Mass 2.250e+18 2.874e+17
D 133.52 1.359
pV 0.046 0.0016
Value
Rotational Period 9.000
Period quality 3
Spectral Class X
Spectral Class Score 16.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1536 0.0734 0.2175 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.6800e+18 Folkner 2014IPNPR.196C...1F Ephem
8.1931e+17 4.0648e+17 4.0648e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
120.08 3.464 3.464 Ryan&Woodward 2010AJ....140..933R IRAS-STM
120.94 33.780 33.780 Nugent 2016AJ....152...63N NEATM
134.57 1.750 1.750 Usui 2011PASJ...63.1117U NEATM
137.49 13.750 13.750 Ali-Lagoa 2018A&A...612A..85A NEATM
138.20 13.820 13.820 Ali-Lagoa 2018A&A...612A..85A NEATM
139.39 3.000 3.000 Tedesco 2002AJ....123.1056T STM
143.05 10.298 10.298 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.041 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.042 0.0053 0.0053 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.043 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.050 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.058 0.0034 0.0034 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
8.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.4153 3 Synodic Behrend LCDB Lightcurve
7.42 2 Synodic Behrend LCDB Lightcurve
9.0 1 Synodic Weidenschilling 1990Icar...86..402W Lightcurve
9.0 2 Synodic Hawkins 2008MPBu...35....1H Lightcurve
9.02 3 Synodic Stephens 2001MPBu...28...73S Lightcurve
9.02319 2 Sidereal Durech LCDB Model
9.02321 2 Sidereal Hanus 2016A&A...586A.108H Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
P 0.910000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT