Harmonia

00040, 1856 FA, 1856FA, 1950 XU, 1950XU, I56F00A, J50X00U

All data for this body: [vot]

MPC data
Name (number) Harmonia (40)
a 2.26696
e 0.04604
i / sin(i) 4.2559 / 0.07421
q 2.16260
Q 2.37132
ω 269.4706
Node 94.1559
m 22.9368
n 0.2888
Epoch 2460800.5
nobs 10164
nopp 80
Years observed 1860-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.267
ep 0.021
sin(ip) 0.065
G 0.150
H 6.550
Mass 2.098e+18 4.327e+17
D 111.80 0.357
pV 0.210 0.0108
Value
Rotational Period 8.900
Period quality 3
Spectral Class S
Spectral Class Score 34.930
Family data
[raw, vot]

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

ap ep sin(ip) Author Reference Method
2.2673 0.0209 0.0651 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.9900e+18 Folkner 2014IPNPR.196C...1F Ephem
2.2060e+18 6.1200e+17 6.1200e+17 Fienga 2020MNRAS.492..589F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
105.79 6.196 6.196 Ryan&Woodward 2010AJ....140..933R IRAS-STM
107.62 6.200 6.200 Tedesco 2002AJ....123.1056T STM
110.30 1.310 1.310 Usui 2011PASJ...63.1117U NEATM
111.25 0.390 0.390 Masiero 2014ApJ...791..121M NEATM
111.34 11.130 11.130 Ali-Lagoa 2018A&A...612A..85A NEATM
113.00 7.000 7.000 Viikinkoski 2017A&A...607A.117 AO/LC
119.70 1.349 1.349 Masiero 2011ApJ...741...68M NEATM
120.04 6.073 6.073 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
123.00 12.000 12.000 Hanus 2013Icar..226.1045H AO/LC
125.52 12.550 12.550 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.178 0.0360 0.0360 Ali-Lagoa 2018A&A...612A..85A NEATM
0.196 0.0193 0.0193 Masiero 2011ApJ...741...68M NEATM
0.197 0.0209 0.0209 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.220 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.226 0.0450 0.0450 Ali-Lagoa 2018A&A...612A..85A NEATM
0.242 0.0310 0.0310 Tedesco 2002AJ....123.1056T STM
0.265 0.0341 0.0341 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
6.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.9 2 Synodic Lagerkvist 1978A&AS...31..361L Lightcurve
8.90848 2 Sidereal Hanus 2011A&A...530A.134H Model
8.90848 2 Sidereal Hanus 2016A&A...586A.108H Model
8.908483 2 Sidereal Hanus 2013Icar..226.1045H Model
8.908485 2 Sidereal Viikinkoski 2017A&A...607A.117V Model
8.90849 2 Sidereal Lopez 1999A&AS..139..565L Model
8.909 3 Synodic Pilcher 2009MPBu...36..133P Lightcurve
8.909 3 Synodic Pilcher 2010MPBu...37..167P Lightcurve
8.9091 3 Synodic Alton 2009MPBu...36...86A Lightcurve
8.9093 3 Synodic Behrend LCDB Lightcurve
8.91 3 Synodic Gallardo 1987RMxAA..15..103G Lightcurve
8.91 3 Synodic Tancredi 1987BAAA...33..361T Lightcurve
8.91005 2 Sidereal Michalowski 1993Icar..106..563M Model
8.9101 3- Synodic Behrend LCDB Lightcurve
8.9132 2 Sidereal Cellino 2019A&A...631A..67C Model
8.921 Synodic Armstrong 1996IAPPP..63...59A Lightcurve
9.136 0 Synodic Gehrels 1962ApJ...135..906G Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S Tholen VIS Clark 1995Icar..113..387C PHOT
S 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sp Howell VISNIR Howell 1994JGR....9910847H PHOT
V V 1.0000 0.4860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 1.0000 0.4860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT