Regina

00285, 1889 PA, 1889PA, 1911 QJ, 1911QJ, 1951 AC1, 1951AC1, I89P00A, J11Q00J, J51A01C

All data for this body: [vot]

MPC data
Name (number) Regina (285)
a 3.08805
e 0.20353
i / sin(i) 17.6086 / 0.30251
q 2.45954
Q 3.71655
ω 14.5188
Node 311.1948
m 358.8604
n 0.1816
Epoch 2460800.5
nobs 7542
nopp 36
Years observed 1911-2025
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.088
ep 0.203
sin(ip) 0.300
G 0.150
H 10.950
Mass
D 47.54 0.247
pV 0.045 0.0026
Value
Rotational Period 9.540
Period quality 3
Spectral Class X
Spectral Class Score 8.721
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0876 0.2029 0.2998 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
36.52 12.710 12.710 Nugent 2016AJ....152...63N NEATM
40.24 12.800 12.800 Masiero 2021PSJ.....2..162M NEATM
43.85 12.790 12.790 Masiero 2021PSJ.....2..162M NEATM
44.37 1.888 1.888 Ryan&Woodward 2010AJ....140..933R IRAS-STM
45.13 2.200 2.200 Tedesco 2002AJ....123.1056T STM
46.70 0.597 0.597 Masiero 2011ApJ...741...68M NEATM
47.16 0.310 0.310 Masiero 2014ApJ...791..121M NEATM
48.43 14.920 14.920 Masiero 2021PSJ.....2..162M NEATM
48.67 8.543 8.543 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
48.87 0.830 0.830 Masiero 2012ApJ...759L...8M NEATM
52.25 0.930 0.930 Usui 2011PASJ...63.1117U NEATM
54.88 10.980 10.980 Ali-Lagoa 2018A&A...612A..85A NEATM
55.15 11.030 11.030 Ali-Lagoa 2018A&A...612A..85A NEATM
55.63 5.560 5.560 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.032 0.0060 0.0060 Ali-Lagoa 2018A&A...612A..85A NEATM
0.032 0.0130 0.0130 Ali-Lagoa 2018A&A...612A..85A NEATM
0.033 0.0130 0.0130 Ali-Lagoa 2018A&A...612A..85A NEATM
0.033 0.0160 0.0300 Masiero 2021PSJ.....2..162M NEATM
0.039 0.0060 0.0060 Masiero 2012ApJ...759L...8M NEATM
0.040 0.0160 0.0270 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.046 0.0200 0.0370 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.051 0.0107 0.0107 Masiero 2011ApJ...741...68M NEATM
0.051 0.0174 0.0174 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.055 0.0060 0.0060 Tedesco 2002AJ....123.1056T STM
0.057 0.0065 0.0065 Ryan&Woodward 2010AJ....140..933R IRAS-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
10.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
31.64 2 Synodic Molnar 2008MPBu...35....9M Lightcurve
9.542 3 Synodic Pilcher 2010MPBu...37...50P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.75 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.984 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.4695 0.4695 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT