Young

02165, 1929 UD, 1929UD, 1942 DD, 1942DD, 1956 RJ, 1956RJ, 1956 SF, 1956SF, 1973 QT, 1973QT, 1973 UN3, 1973UN3, 1976 GU5, 1976GU5, 1978 QA, 1978QA, J29U00D, J42D00D, J56R00J, J56S00F, J73Q00T, J73U03N, J76G05U, J78Q00A

All data for this body: [vot]

MPC data
Name (number) Young (2165)
a 3.12487
e 0.17736
i / sin(i) 0.9396 / 0.01640
q 2.57064
Q 3.67909
ω 23.2126
Node 19.0117
m 81.0911
n 0.1784
Epoch 2460800.5
nobs 4879
nopp 39
Years observed 1929-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.134
ep 0.142
sin(ip) 0.025
G 0.150
H 11.400
Mass
D 27.50 0.267
pV 0.069 0.0089
Value
Rotational Period 6.380
Period quality 2
Spectral Class C
Spectral Class Score 2.376
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
991 McDonalda -1 McDonalda -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1339 0.1421 0.0254 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
27.11 0.284 0.284 Masiero 2011ApJ...741...68M NEATM
28.75 2.880 2.880 Ali-Lagoa 2018A&A...612A..85A NEATM
30.59 0.820 0.820 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0130 0.0130 Ali-Lagoa 2018A&A...612A..85A NEATM
0.072 0.0121 0.0121 Masiero 2011ApJ...741...68M 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
11.40 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.389 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
6.39009 2 Sidereal Durech 2023A&A...675A..24D Model
6.39014 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.396 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT