Eleonora

00354, 1893 BC, 1893BC, 1918 RF, 1918RF, I93B00C, J18R00F

All data for this body: [vot]

MPC data
Name (number) Eleonora (354)
a 2.80043
e 0.11177
i / sin(i) 18.3604 / 0.31499
q 2.48742
Q 3.11343
ω 8.0641
Node 140.2112
m 74.4171
n 0.2103
Epoch 2460800.5
nobs 3553
nopp 89
Years observed 1893-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.798
ep 0.173
sin(ip) 0.297
G 0.150
H 6.160
Mass 8.495e+18 5.416e+17
D 149.12 0.408
pV 0.192 0.0093
Value
Rotational Period 4.270
Period quality 3
Spectral Class A
Spectral Class Score 82.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7981 0.1730 0.2974 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0700e+19 Folkner 2014IPNPR.196C...1F Ephem
1.2000e+19 4.9000e+18 4.9000e+18 Zielenbach 2011AJ....142..120Z Deflec
1.9700e+19 7.6300e+18 7.6300e+18 Zielenbach 2011AJ....142..120Z Deflec
4.3900e+18 7.1800e+18 7.1800e+18 Zielenbach 2011AJ....142..120Z Deflec
4.9000e+18 Folkner 2009IPNPR.178C...1F Ephem
5.8040e+18 1.3930e+18 1.3930e+18 Fienga 2017NSTIM.108.....V Ephem
6.2360e+18 1.3050e+18 1.3050e+18 Fienga 2020MNRAS.492..589F Ephem
9.3200e+18 5.0000e+18 5.0000e+18 Zielenbach 2011AJ....142..120Z Deflec
9.7100e+18 6.9600e+17 6.9600e+17 Fienga 2009A&A...507.1675F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
148.97 0.420 0.420 Masiero 2014ApJ...791..121M NEATM
149.00 16.000 16.000 Hanus 2013Icar..226.1045H AO/LC
149.62 1.980 1.980 Usui 2011PASJ...63.1117U NEATM
150.23 15.020 15.020 Ali-Lagoa 2018A&A...612A..85A NEATM
154.50 30.900 30.900 Ali-Lagoa 2018A&A...612A..85A NEATM
155.17 8.500 8.500 Tedesco 2002AJ....123.1056T STM
155.34 5.161 5.161 Ryan&Woodward 2010AJ....140..933R IRAS-STM
165.00 15.613 15.613 Masiero 2011ApJ...741...68M NEATM
165.20 7.560 7.560 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
169.00 30.000 30.000 Viikinkoski 2017A&A...607A.117 AO/LC
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.173 0.0324 0.0324 Masiero 2011ApJ...741...68M NEATM
0.176 0.0165 0.0165 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.195 0.0230 0.0230 Tedesco 2002AJ....123.1056T STM
0.200 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.201 0.0153 0.0153 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.261 0.1040 0.1040 Ali-Lagoa 2018A&A...612A..85A NEATM
0.276 0.0550 0.0550 Ali-Lagoa 2018A&A...612A..85A 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
6.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.2275 2 Synodic Ferrais 2022MPBu...49..307F Lightcurve
4.27 3 Synodic Groeneveld 1954ApJ...120..529G Lightcurve
4.27676 3 Synodic Behrend LCDB Lightcurve
4.277 3 Synodic Chang LCDB Lightcurve
4.277 3 Synodic Ivarsen 2004MPBu...31...29I Lightcurve
4.277 3 Synodic Zappala 1979A&AS...35..213Z Lightcurve
4.27718 2 Sidereal De Angelis 1995P&SS...43..649D Model
4.27718 2 Sidereal Kaasalainen 2002Icar..159..369K Model
4.27718 2 Sidereal Magnusson 1986Icar...68....1M Model
4.277182 2 Sidereal Drummond 1988Icar...76...19D Model
4.277183 2 Sidereal Drummond 1991Icar...89...44D Model
4.277184 2 Sidereal Hanus 2016A&A...586A.108H Model
4.277185 2 Sidereal Vernazza 2021A&A...654A..56V Model
4.277186 2 Sidereal Hanus 2011A&A...530A.134H Model
4.277186 2 Sidereal Hanus 2013Icar..226.1045H Model
4.277186 2 Sidereal Viikinkoski 2017A&A...607A.117V Model
4.27719 2 Sidereal Magnusson 1990Icar...85..229M Model
4.27735 2 Synodic Pal 2020ApJS..247...26P Lightcurve
4.27738 2 Synodic Behrend LCDB Lightcurve
4.27762 3 Synodic Behrend LCDB Lightcurve
4.2779 3 Synodic Behrend LCDB Lightcurve
4.278 2 Synodic Behrend LCDB Lightcurve
4.2791 3 Synodic Behrend LCDB Lightcurve
4.28 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
A Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
A Bus-DeMeo VISNIR Gietzen 2012M&PS...47.1789G SPEC
A Tholen VIS Lazzaro 2004Icar..172..179L SPEC
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S Bus VIS Lazzaro 2004Icar..172..179L SPEC
Sl Bus VIS Bus 2002Icar..158..146B SPEC
So Howell VISNIR Howell 1994JGR....9910847H PHOT