Demeter

01108, 1929 KA, 1929KA, 1963 MF, 1963MF, J29K00A, J63M00F

All data for this body: [vot]

MPC data
Name (number) Demeter (1108)
a 2.42924
e 0.25644
i / sin(i) 24.9017 / 0.42106
q 1.80630
Q 3.05218
ω 78.2498
Node 234.2122
m 96.8980
n 0.2603
Epoch 2460800.5
nobs 5295
nopp 35
Years observed 1929-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.427
ep 0.221
sin(ip) 0.448
G 0.150
H 11.990
Mass
D 25.57 0.057
pV 0.038 0.0023
Value
Rotational Period 9.840
Period quality 3
Spectral Class C
Spectral Class Score 19.800
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4270 0.2208 0.4484 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
21.13 5.042 5.042 Masiero 2017AJ....154..168M NEATM
22.07 6.160 6.160 Masiero 2021PSJ.....2..162M NEATM
23.89 6.530 6.530 Masiero 2020PSJ.....1....5M NEATM
25.28 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
25.52 2.550 2.550 Ali-Lagoa 2018A&A...612A..85A NEATM
25.61 2.000 2.000 Tedesco 2002AJ....123.1056T STM
27.00 8.430 8.430 Masiero 2020PSJ.....1....5M NEATM
27.32 0.221 0.221 Masiero 2011ApJ...741...68M NEATM
27.33 5.977 5.977 Masiero 2017AJ....154..168M NEATM
27.98 10.210 10.210 Masiero 2021PSJ.....2..162M NEATM
29.84 2.980 2.980 Ali-Lagoa 2018A&A...612A..85A NEATM
31.06 0.580 0.580 Usui 2011PASJ...63.1117U NEATM
31.33 0.450 0.450 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.023 0.0091 0.0091 Masiero 2017AJ....154..168M NEATM
0.030 0.0140 0.0260 Masiero 2021PSJ.....2..162M NEATM
0.031 0.0050 0.0050 Masiero 2012ApJ...759L...8M NEATM
0.034 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.037 0.0140 0.0240 Masiero 2021PSJ.....2..162M NEATM
0.037 0.0290 0.0290 Masiero 2020PSJ.....1....5M NEATM
0.038 0.0162 0.0162 Masiero 2017AJ....154..168M NEATM
0.041 0.0040 0.0040 Masiero 2011ApJ...741...68M NEATM
0.046 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.047 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.053 0.0400 0.0400 Masiero 2020PSJ.....1....5M 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
11.99 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.7 2 Synodic Stephens 2002MPBu...29....2S Lightcurve
9.701 2 Synodic Behrend LCDB Lightcurve
9.834 2 Synodic Dose 2021MPBu...48...69D Lightcurve
9.8342 2 Sidereal Durech 2020A&A...643A..59D Model
9.846 3 Synodic Polakis 2016MPBu...43..310P Lightcurve
9.87 3- Synodic Brines 2017MPBu...44..145B 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 Carvano 2001Icar..149..173C SPEC
C Tholen VIS Lazzaro 2004Icar..172..179L SPEC
C 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 0.248 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C Bus VIS Lazzaro 2004Icar..172..179L SPEC