Eos

00221, 1882 BA, 1882BA, I82B00A

All data for this body: [vot]

MPC data
Name (number) Eos (221)
a 3.01292
e 0.10120
i / sin(i) 10.8893 / 0.18891
q 2.70800
Q 3.31783
ω 192.4873
Node 141.7123
m 311.2573
n 0.1885
Epoch 2460800.5
nobs 4508
nopp 74
Years observed 1885-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.013
ep 0.074
sin(ip) 0.172
G 0.150
H 7.730
Mass 1.133e+18 3.650e+17
D 100.15 0.878
pV 0.147 0.0055
Value
Rotational Period 10.440
Period quality 3
Spectral Class K
Spectral Class Score 84.620
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -2.3700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0127 0.0738 0.1723 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0469e+18 5.1618e+17 5.1618e+17 Fienga INPOP19a Ephem
1.2200e+18 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
100.85 4.127 4.127 Ryan&Woodward 2010AJ....140..933R IRAS-STM
103.87 3.600 3.600 Tedesco 2002AJ....123.1056T STM
104.74 10.470 10.470 Ali-Lagoa 2018A&A...612A..85A NEATM
107.74 1.510 1.510 Usui 2011PASJ...63.1117U NEATM
110.40 11.040 11.040 Ali-Lagoa 2018A&A...612A..85A NEATM
113.27 7.005 7.005 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
87.10 32.080 32.080 Nugent 2016AJ....152...63N NEATM
91.20 2.210 2.210 Masiero 2014ApJ...791..121M NEATM
94.90 27.540 27.540 Nugent 2016AJ....152...63N NEATM
95.47 1.680 1.680 Masiero 2012ApJ...759L...8M NEATM
95.78 2.827 2.827 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.121 0.0155 0.0155 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.122 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A NEATM
0.135 0.0270 0.0270 Ali-Lagoa 2018A&A...612A..85A NEATM
0.140 0.0100 0.0100 Tedesco 2002AJ....123.1056T STM
0.140 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.150 0.1700 0.1700 Nugent 2016AJ....152...63N NEATM
0.150 0.0124 0.0124 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.165 0.0342 0.0342 Masiero 2011ApJ...741...68M NEATM
0.166 0.0130 0.0130 Masiero 2012ApJ...759L...8M NEATM
0.180 0.0200 0.0200 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
7.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.42213 2 Sidereal Hanus 2018Icar..299...84H Model
10.42213 2 Sidereal Hanus LCDB Model
10.436 3- Synodic Harris 1983Icar...54...59H Lightcurve
10.44 1+ Synodic Behrend LCDB Lightcurve
10.44 2 Synodic Behrend LCDB Lightcurve
10.4418 2 Synodic Behrend LCDB Lightcurve
10.443 3 Synodic Pilcher 2013MPBu...40..158P Lightcurve
10.45 2 Synodic Harris 1980Icar...43...20H Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K Bus-DeMeo VISNIR Clark 2009Icar..202..119C SPEC
K Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
K Bus VIS Bus 2002Icar..158..146B SPEC
K Bus VISNIR Burbine 2001M&PS...36..245B SPEC
K Bus VISNIR MotheDiniz 2008Icar..195..277M SPEC
K Howell VISNIR Howell 1994JGR....9910847H PHOT
K Tholen VIS Clark 1995Icar..113..387C PHOT
K 0.970000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
K 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
K M 0.710000 0.210000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S 0.9190 0.3910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT