Demiddelaer

01926, 1935 JA, 1935JA, 1959 XD, 1959XD, 1970 LE, 1970LE, 1974 HB, 1974HB, J35J00A, J59X00D, J70L00E, J74H00B

All data for this body: [vot]

MPC data
Name (number) Demiddelaer (1926)
a 2.65734
e 0.10581
i / sin(i) 13.7359 / 0.23745
q 2.37617
Q 2.93851
ω 91.4867
Node 93.3196
m 307.5345
n 0.2275
Epoch 2460800.5
nobs 4643
nopp 29
Years observed 1935-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.656
ep 0.141
sin(ip) 0.224
G 0.150
H 11.060
Mass
D 19.42 0.179
pV 0.125 0.0077
Value
Rotational Period 32.090
Period quality 2
Spectral Class S
Spectral Class Score 29.347
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.4200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6565 0.1407 0.2236 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.75 0.410 0.410 Masiero 2014ApJ...791..121M NEATM
18.65 3.730 3.730 Ali-Lagoa 2018A&A...612A..85A NEATM
19.12 0.590 0.590 Usui 2011PASJ...63.1117U NEATM
19.67 3.930 3.930 Ali-Lagoa 2018A&A...612A..85A NEATM
19.90 0.217 0.217 Masiero 2011ApJ...741...68M NEATM
20.10 1.060 1.060 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.103 0.0137 0.0137 Masiero 2011ApJ...741...68M NEATM
0.130 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.174 0.0310 0.0310 Masiero 2012ApJ...759L...8M NEATM
0.185 0.0740 0.0740 Ali-Lagoa 2018A&A...612A..85A NEATM
0.206 0.0820 0.0820 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
11.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.5 2 Synodic Behrend LCDB Lightcurve
32.095 2 Synodic Polakis 2017MPBu...44..299P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.93 Bus VIS Carvano 2010A&A...510A..43C PHOT
L S 0.5649 0.7350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VISNIR Nathues 2010Icar..208..252N SPEC+PHOT
S 0.958 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.7967 0.7350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9698 0.7350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT