Hugoclaus

12381, 1981 UK24, 1981UK24, 1994 PH30, 1994PH30, J81U24K, J94P30H

All data for this body: [vot]

MPC data
Name (number) Hugoclaus (12381)
a 2.77050
e 0.09740
i / sin(i) 9.0789 / 0.15779
q 2.50065
Q 3.04035
ω 320.5435
Node 185.3118
m 71.1773
n 0.2137
Epoch 2460800.5
nobs 4704
nopp 25
Years observed 1981-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.770
ep 0.135
sin(ip) 0.159
G 0.150
H 13.680
Mass
D 5.32 0.189
pV 0.299 0.0494
Value
Rotational Period 2.868
Period quality 2
Spectral Class S
Spectral Class Score 11.843
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7696 0.1346 0.1590 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.32 0.189 0.189 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.299 0.0494 0.0494 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
13.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.86845 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.9769 0.9769 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT