Arethusa

00095, 1867 WA, 1867WA, I67W00A

All data for this body: [vot]

MPC data
Name (number) Arethusa (95)
a 3.06361
e 0.15282
i / sin(i) 13.0102 / 0.22512
q 2.59545
Q 3.53178
ω 152.7618
Node 242.9355
m 119.4983
n 0.1838
Epoch 2460800.5
nobs 4766
nopp 73
Years observed 1872-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.069
ep 0.128
sin(ip) 0.238
G 0.150
H 7.970
Mass 1.423e+18 3.576e+17
D 141.99 1.919
pV 0.069 0.0035
Value
Rotational Period 8.700
Period quality 3
Spectral Class C
Spectral Class Score 48.136
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0689 0.1281 0.2377 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0166e+18 5.0569e+17 5.0569e+17 Fienga INPOP19a Ephem
1.8300e+18 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
118.26 4.700 4.700 Ryan&Woodward 2010AJ....140..933R IRAS-STM
130.86 29.930 29.930 Masiero 2020PSJ.....1....5M NEATM
136.04 10.100 10.100 Tedesco 2002AJ....123.1056T STM
139.54 7.090 7.090 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
142.44 45.080 45.080 Masiero 2020PSJ.....1....5M NEATM
143.78 4.890 4.890 Usui 2011PASJ...63.1117U NEATM
145.83 29.170 29.170 Ali-Lagoa 2018A&A...612A..85A NEATM
147.00 32.000 32.000 Durech 2011Icar..214..652D OCCULT
147.92 4.891 4.891 Masiero 2011ApJ...741...68M NEATM
147.97 5.150 5.150 Masiero 2014ApJ...791..121M NEATM
148.84 29.770 29.770 Ali-Lagoa 2018A&A...612A..85A NEATM
149.08 5.580 5.580 Masiero 2014ApJ...791..121M NEATM
152.45 5.106 5.106 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0320 0.0320 Masiero 2020PSJ.....1....5M NEATM
0.045 0.0300 0.0300 Masiero 2020PSJ.....1....5M NEATM
0.055 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.056 0.0101 0.0101 Masiero 2011ApJ...741...68M NEATM
0.057 0.0230 0.0230 Ali-Lagoa 2018A&A...612A..85A NEATM
0.059 0.0228 0.0228 Masiero 2011ApJ...741...68M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.068 0.0075 0.0075 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.070 0.0120 0.0120 Tedesco 2002AJ....123.1056T STM
0.094 0.0077 0.0077 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
7.97 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.688 Synodic Carlsson 1981A&AS...45....1C Lightcurve
8.7 3 Synodic Harris 1983Icar...54...59H Lightcurve
8.70221 2 Sidereal Durech 2011Icar..214..652D Model
8.70221 2 Sidereal Hanus 2016A&A...586A.108H Model
8.70221 2 Sidereal Martikainen 2021A&A...649A..98M Model
8.7023 2 Sidereal Durech 2023A&A...675A..24D Model
8.7023 3 Synodic Behrend LCDB Lightcurve
8.705 3 Synodic Alton 2013MPBu...40...87A Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B C 0.8486 0.3480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C Bus VIS Luo 2024AJ....167...13L SPEC
C Bus VIS Luo 2024AJ....167...13L SPEC
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C C 0.9926 0.3480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 1.0000 0.3480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C P 0.850000 0.130000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C X Bus VIS Luo 2024AJ....167...13L SPEC
C X Bus VIS Luo 2024AJ....167...13L SPEC
Caa Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Ch Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
Ch Bus VIS Bus 2002Icar..158..146B SPEC
Ch Bus VIS Fornasier 2014Icar..233..163F SPEC
Ch Bus VIS Lazzaro 2004Icar..172..179L SPEC
P C 0.850000 0.150000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 0.987 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X C 0.5103 0.3480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.7206 0.3480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.9989 0.3480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT