Dirikis

01805, 1942 EJ, 1942EJ, 1948 JH, 1948JH, 1948 JM, 1948JM, 1950 TU1, 1950TU1, 1953 EL, 1953EL, 1955 QL1, 1955QL1, 1959 JP, 1959JP, 1962 WP, 1962WP, 1962 XC1, 1962XC1, 1964 FE, 1964FE, 1970 GD, 1970GD, J42E00J, J48J00H, J48J00M, J50T01U, J53E00L, J55Q01L, J59J00P, J62W00P, J62X01C, J64F00E, J70G00D

All data for this body: [vot]

MPC data
Name (number) Dirikis (1805)
a 3.14055
e 0.10797
i / sin(i) 2.5165 / 0.04391
q 2.80148
Q 3.47963
ω 93.3729
Node 78.3399
m 3.4727
n 0.1771
Epoch 2460800.5
nobs 5396
nopp 41
Years observed 1950-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.133
ep 0.152
sin(ip) 0.025
G 0.150
H 11.390
Mass
D 27.89 0.233
pV 0.091 0.0072
Value
Rotational Period 23.000
Period quality 2
Spectral Class C
Spectral Class Score 1.422
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
656 Beagle 0 Beagle Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1334 0.1520 0.0255 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
22.05 1.370 1.370 Usui 2011PASJ...63.1117U NEATM
22.50 4.500 4.500 Ali-Lagoa 2018A&A...612A..85A NEATM
25.70 2.700 2.700 Tedesco 2002AJ....123.1056T STM
28.10 0.238 0.238 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.089 0.0076 0.0076 Masiero 2011ApJ...741...68M NEATM
0.106 0.0420 0.0420 Ali-Lagoa 2018A&A...612A..85A NEATM
0.106 0.0260 0.0260 Tedesco 2002AJ....123.1056T 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
11.39 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
23.0 2 Synodic Behrend LCDB Lightcurve
23.452 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
23.4543 2 Sidereal Hanus 2013A&A...559A.134H Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.237 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT