Hirons

02356, 1970 GG1, 1970GG1, 1972 QD, 1972QD, 1972 RO3, 1972RO3, 1976 GM5, 1976GM5, 1979 UJ, 1979UJ, J70G01G, J72Q00D, J72R03O, J76G05M, J79U00J

All data for this body: [vot]

MPC data
Name (number) Hirons (2356)
a 3.23346
e 0.03972
i / sin(i) 15.6013 / 0.26894
q 3.10504
Q 3.36188
ω 354.1694
Node 189.0401
m 165.5344
n 0.1695
Epoch 2460800.5
nobs 7595
nopp 37
Years observed 1970-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.236
ep 0.029
sin(ip) 0.270
G 0.150
H 10.960
Mass
D 46.47 0.129
pV 0.040 0.0021
Value
Rotational Period 41.850
Period quality 3
Spectral Class X
Spectral Class Score 11.887
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2363 0.0289 0.2699 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
42.90 4.290 4.290 Ali-Lagoa 2018A&A...612A..85A NEATM
43.07 0.230 0.230 Masiero 2014ApJ...791..121M NEATM
43.36 16.450 16.450 Nugent 2016AJ....152...63N NEATM
44.68 13.010 13.010 Nugent 2016AJ....152...63N NEATM
45.94 1.800 1.800 Tedesco 2002AJ....123.1056T STM
46.14 0.840 0.840 Usui 2011PASJ...63.1117U NEATM
46.71 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
48.53 4.850 4.850 Ali-Lagoa 2018A&A...612A..85A NEATM
48.66 0.194 0.194 Masiero 2011ApJ...741...68M NEATM
52.17 1.221 1.221 Ryan&Woodward 2010AJ....140..933R IRAS-STM
53.83 7.519 7.519 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.031 0.0163 0.0163 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.032 0.0089 0.0089 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.038 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.039 0.0044 0.0044 Masiero 2011ApJ...741...68M NEATM
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.040 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.040 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.042 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.049 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 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
10.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
21.782 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
38.3 2+ Synodic Behrend LCDB Lightcurve
41.858 3 Synodic Dose LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S X 0.1169 0.5280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.644 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.6444 0.5280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6927 0.5280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT