Hilaritas

00996, 1915 WH, 1915WH, 1923 FC, 1923FC, 1977 CG, 1977CG, J15W00H, J23F00C, J77C00G

All data for this body: [vot]

MPC data
Name (number) Hilaritas (996)
a 3.09312
e 0.13924
i / sin(i) 0.6572 / 0.01147
q 2.66243
Q 3.52381
ω 145.8091
Node 347.2115
m 316.3644
n 0.1812
Epoch 2460800.5
nobs 5221
nopp 50
Years observed 1928-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.094
ep 0.158
sin(ip) 0.027
G 0.150
H 11.170
Mass
D 29.36 0.154
pV 0.095 0.0055
Value
Rotational Period 10.000
Period quality 3
Spectral Class C
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -1.0500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0936 0.1577 0.0272 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
22.52 7.670 7.670 Nugent 2016AJ....152...63N NEATM
26.50 1.091 1.091 Ryan&Woodward 2010AJ....140..933R IRAS-STM
29.13 0.170 0.170 Masiero 2014ApJ...791..121M NEATM
29.53 1.300 1.300 Tedesco 2002AJ....123.1056T STM
30.90 0.417 0.417 Masiero 2011ApJ...741...68M NEATM
33.67 1.800 1.800 Usui 2011PASJ...63.1117U NEATM
34.68 6.940 6.940 Ali-Lagoa 2018A&A...612A..85A NEATM
35.54 5.576 5.576 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0230 0.0230 Ali-Lagoa 2018A&A...612A..85A NEATM
0.067 0.0205 0.0205 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.082 0.0180 0.0180 Masiero 2011ApJ...741...68M NEATM
0.090 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.100 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.112 0.0094 0.0094 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.120 0.0200 0.0200 Masiero 2014ApJ...791..121M 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
11.17 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.05 3 Synodic Ferrero 2011MPBu...38...49F Lightcurve
10.05 3 Synodic Stephens 2010MPBu...37..159S Lightcurve
10.05154 2 Sidereal Durech 2016A&A...587A..48D Model
10.052 3 Synodic Strabla 2011MPBu...38...14S Lightcurve
7.2 2 Synodic Angeli 2001AJ....121.2245A Lightcurve
8.5 1 Synodic Saylor 2012JSARA...5...25S Lightcurve
9.7 2 Synodic Chang 2016ApJS..227...20C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT