Etheridgea

00331, 1892 GA, 1892GA, 1949 CM, 1949CM, I92G00A, J49C00M

All data for this body: [vot]

MPC data
Name (number) Etheridgea (331)
a 3.02654
e 0.09539
i / sin(i) 6.0351 / 0.10514
q 2.73783
Q 3.31525
ω 334.2662
Node 21.8352
m 326.4421
n 0.1872
Epoch 2460800.5
nobs 12531
nopp 64
Years observed 1892-2025
rms 0.46
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.025
ep 0.066
sin(ip) 0.102
G 0.150
H 9.940
Mass
D 76.46 0.846
pV 0.045 0.0015
Value
Rotational Period 25.310
Period quality 3
Spectral Class C
Spectral Class Score 24.100
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0251 0.0664 0.1015 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
71.70 7.170 7.170 Ali-Lagoa 2018A&A...612A..85A NEATM
72.75 2.825 2.825 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
73.94 23.200 23.200 Masiero 2021PSJ.....2..162M NEATM
74.60 2.162 2.162 Ryan&Woodward 2010AJ....140..933R IRAS-STM
74.92 2.700 2.700 Tedesco 2002AJ....123.1056T STM
76.06 28.280 28.280 Masiero 2021PSJ.....2..162M NEATM
77.55 35.420 35.420 Nugent 2016AJ....152...63N NEATM
77.75 1.060 1.060 Usui 2011PASJ...63.1117U NEATM
79.67 22.323 22.323 Masiero 2017AJ....154..168M NEATM
79.67 22.700 22.700 Masiero 2017AJ....154..168M NEATM
79.90 15.980 15.980 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.027 0.0172 0.0172 Masiero 2017AJ....154..168M NEATM
0.027 0.0133 0.0133 Masiero 2017AJ....154..168M NEATM
0.027 0.0150 0.0330 Masiero 2021PSJ.....2..162M NEATM
0.028 0.0130 0.0240 Masiero 2021PSJ.....2..162M NEATM
0.030 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.039 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.045 0.0020 0.0020 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.048 0.0036 0.0036 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.048 0.0100 0.0100 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
9.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.092 2 Synodic Alkema 2013MPBu...40..133A Lightcurve
13.54 1 Synodic Behrend LCDB Lightcurve
25.3141 2 Sidereal Durech 2020A&A...643A..59D Model
25.315 3 Synodic Pilcher 2016MPBu...43..135P Lightcurve
27.0508 2 Synodic Pal 2020ApJS..247...26P Lightcurve
6.82 1 Synodic Warner 2003MPBu...30...61W 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 Bus VIS Fornasier 2014Icar..233..163F SPEC
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C 0.900000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C 0.920000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 0.516 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT