Ophelia

00171, 1877 AB, 1877AB, I77A00B

All data for this body: [vot]

MPC data
Name (number) Ophelia (171)
a 3.12800
e 0.13265
i / sin(i) 2.5470 / 0.04444
q 2.71306
Q 3.54295
ω 55.3323
Node 100.4697
m 222.2223
n 0.1782
Epoch 2460800.5
nobs 11363
nopp 73
Years observed 1877-2025
rms 0.47
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.136
ep 0.154
sin(ip) 0.024
G 0.150
H 8.630
Mass 1.037e+18 3.783e+17
D 111.58 0.730
pV 0.064 0.0025
Value
Rotational Period 6.665
Period quality 3
Spectral Class C
Spectral Class Score 55.042
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
656 Beagle 0 Beagle Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.1400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1361 0.1537 0.0235 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0100e+18 Folkner 2014IPNPR.196C...1F Ephem
1.0640e+18 5.3500e+17 5.3500e+17 Fienga 2020MNRAS.492..589F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
100.48 3.896 3.896 Ryan&Woodward 2010AJ....140..933R IRAS-STM
100.91 10.090 10.090 Ali-Lagoa 2018A&A...612A..85A NEATM
104.10 1.389 1.389 Masiero 2011ApJ...741...68M NEATM
104.69 1.260 1.260 Usui 2011PASJ...63.1117U NEATM
105.01 3.540 3.540 Masiero 2014ApJ...791..121M NEATM
107.73 33.230 33.230 Nugent 2016AJ....152...63N NEATM
116.69 3.600 3.600 Tedesco 2002AJ....123.1056T STM
118.01 41.576 41.576 Masiero 2017AJ....154..168M NEATM
120.63 12.060 12.060 Ali-Lagoa 2018A&A...612A..85A NEATM
123.06 5.839 5.839 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
130.81 1.480 1.480 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0110 0.0110 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0300 0.0300 Masiero 2017AJ....154..168M NEATM
0.052 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.056 0.0056 0.0056 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.061 0.0040 0.0040 Tedesco 2002AJ....123.1056T STM
0.074 0.0150 0.0150 Ali-Lagoa 2018A&A...612A..85A NEATM
0.077 0.0198 0.0198 Masiero 2011ApJ...741...68M NEATM
0.080 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.084 0.0064 0.0064 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
8.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.4 2 Synodic Tedesco LCDB Lightcurve
6.6642 3 Synodic Behrend LCDB Lightcurve
6.66454 2 Sidereal Hanus 2016A&A...586A.108H Model
6.66535 3 Synodic Behrend LCDB Lightcurve
6.66543 2 Sidereal Wang 2015A&A...581A..55W Model
6.6662 3 Synodic Behrend LCDB Lightcurve
6.6666 2+ Synodic Oey 2006MPBu...33...96O Lightcurve
6.67 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.671 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C Bus-DeMeo NIR Marsset 2016A&A...586A..15M SPEC
C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
C Bus VIS Bus 2002Icar..158..146B SPEC
C Tholen VIS Lazzaro 2004Icar..172..179L SPEC
C 0.910000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C C 0.2487 0.2490 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Cb Bus VIS Lazzaro 2004Icar..172..179L SPEC