Aletta

01194, 1931 JG, 1931JG, 1946 KC, 1946KC, 1962 SB, 1962SB, J31J00G, J46K00C, J62S00B

All data for this body: [vot]

MPC data
Name (number) Aletta (1194)
a 2.91366
e 0.08989
i / sin(i) 10.8495 / 0.18823
q 2.65175
Q 3.17558
ω 247.4659
Node 290.8005
m 8.9069
n 0.1982
Epoch 2460800.5
nobs 4806
nopp 39
Years observed 1931-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.914
ep 0.126
sin(ip) 0.210
G 0.150
H 10.620
Mass
D 41.93 0.180
pV 0.046 0.0019
Value
Rotational Period 20.300
Period quality 2+
Spectral Class Ch
Spectral Class Score 5.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
211772 2004 BQ90 -1 2004BQ90 -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9136 0.1258 0.2105 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
33.89 3.390 3.390 Ali-Lagoa 2018A&A...612A..85A NEATM
38.66 10.710 10.710 Masiero 2021PSJ.....2..162M NEATM
41.36 0.190 0.190 Masiero 2014ApJ...791..121M NEATM
42.67 0.770 0.770 Usui 2011PASJ...63.1117U NEATM
44.90 14.210 14.210 Masiero 2021PSJ.....2..162M NEATM
46.37 1.188 1.188 Masiero 2011ApJ...741...68M NEATM
49.49 9.900 9.900 Ali-Lagoa 2018A&A...612A..85A NEATM
55.02 16.378 16.378 Masiero 2017AJ....154..168M NEATM
55.39 1.400 1.400 Tedesco 2002AJ....123.1056T STM
55.58 15.260 15.260 Masiero 2021PSJ.....2..162M NEATM
58.38 2.110 2.110 Ryan&Woodward 2010AJ....140..933R IRAS-STM
58.79 3.573 3.573 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.029 0.0222 0.0222 Masiero 2017AJ....154..168M NEATM
0.029 0.0170 0.0400 Masiero 2021PSJ.....2..162M NEATM
0.035 0.0190 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.037 0.0065 0.0065 Masiero 2011ApJ...741...68M NEATM
0.040 0.0170 0.0290 Masiero 2021PSJ.....2..162M NEATM
0.042 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0054 0.0054 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.043 0.0032 0.0032 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.048 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.089 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.090 0.0100 0.0100 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
10.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.7 2 Synodic Brinsfield 2008MPBu...35...86B Lightcurve
20.39 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
20.39 2+ Synodic Oey 2011MPBu...38..221O Lightcurve
20.42 2 Synodic Behrend LCDB Lightcurve
20.4222 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Caa Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Ch Bus VIS Lazzaro 2004Icar..172..179L SPEC
Kl Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
P 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC