Egeria

00013, 1850 VA, 1850VA, I50V00A

All data for this body: [vot]

MPC data
Name (number) Egeria (13)
a 2.57710
e 0.08499
i / sin(i) 16.5255 / 0.28444
q 2.35808
Q 2.79612
ω 79.0938
Node 43.1883
m 353.2883
n 0.2382
Epoch 2460800.5
nobs 3171
nopp 76
Years observed 1850-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.576
ep 0.127
sin(ip) 0.277
G 0.150
H 6.910
Mass 8.046e+18 6.433e+17
D 209.05 1.703
pV 0.073 0.0038
Value
Rotational Period 7.040
Period quality 3
Spectral Class Ch
Spectral Class Score 31.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5763 0.1265 0.2766 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.2100e+19 Folkner 2014IPNPR.196C...1F Ephem
1.2900e+19 4.7000e+18 4.7000e+18 Zielenbach 2011AJ....142..120Z Deflec
1.5900e+19 4.3800e+18 4.3800e+18 Baer 2011AJ....141..143B Deflec
1.6300e+19 3.1800e+18 3.1800e+18 Baer 2008DPS....40.5209B Deflec
1.0370e+19 1.5530e+18 1.5530e+18 Fienga 2017NSTIM.108.....V Ephem
3.6740e+18 1.1629e+18 1.1629e+18 Fienga INPOP19a Ephem
6.0700e+18 3.2000e+18 3.2000e+18 Zielenbach 2011AJ....142..120Z Deflec
6.1700e+18 Folkner 2009IPNPR.178C...1F Ephem
7.3900e+18 3.2400e+18 3.2400e+18 Zielenbach 2011AJ....142..120Z Deflec
8.2600e+18 6.1000e+18 6.1000e+18 Zielenbach 2011AJ....142..120Z Deflec
9.3717e+18 1.8891e+18 1.8891e+18 Fienga 2013arXiv1301.1510F Ephem
9.3722e+18 2.3645e+18 2.3645e+18 Fienga inpop13c Ephem
9.3700e+18 2.3600e+18 2.3600e+18 Fienga 2014arXiv1405.0484F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
192.79 53.360 53.360 Nugent 2016AJ....152...63N NEATM
197.47 59.090 59.090 Masiero 2020PSJ.....1....5M NEATM
201.00 4.000 4.000 Hanus 2017A&A...601A.114H AO/OCCULT/LC
201.69 40.340 40.340 Ali-Lagoa 2018A&A...612A..85A NEATM
203.37 2.570 2.570 Usui 2011PASJ...63.1117U NEATM
207.64 8.300 8.300 Tedesco 2002AJ....123.1056T STM
207.98 46.680 46.680 Nugent 2016AJ....152...63N NEATM
208.92 20.890 20.890 Ali-Lagoa 2018A&A...612A..85A NEATM
209.00 8.000 8.000 Hanus 2017A&A...601A.114H AO/OCCULT/LC
216.06 54.780 54.780 Masiero 2017AJ....154..168M NEATM
219.07 78.460 78.460 Masiero 2020PSJ.....1....5M NEATM
223.08 3.461 3.461 Ryan&Woodward 2010AJ....140..933R IRAS-STM
226.06 9.485 9.485 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
227.00 25.948 25.948 Masiero 2011ApJ...741...68M NEATM
228.76 71.610 71.610 Masiero 2021PSJ.....2..162M NEATM
235.06 73.140 73.140 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0210 0.0430 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0370 0.0370 Masiero 2020PSJ.....1....5M NEATM
0.049 0.0222 0.0222 Masiero 2017AJ....154..168M NEATM
0.053 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM
0.057 0.0390 0.0390 Masiero 2020PSJ.....1....5M NEATM
0.069 0.0218 0.0218 Masiero 2011ApJ...741...68M NEATM
0.070 0.0060 0.0060 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.071 0.0103 0.0103 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.078 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.080 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.083 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
0.083 0.0330 0.0330 Ali-Lagoa 2018A&A...612A..85A NEATM
0.090 0.0600 0.0600 Nugent 2016AJ....152...63N 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
6.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.991 2 Synodic Riccioli 2001P&SS...49..657R Lightcurve
7.044 Synodic Lagerkvist 1988A&AS...73..395L Lightcurve
7.045 3 Synodic Chang LCDB Lightcurve
7.046664 2 Sidereal Vernazza 2021A&A...654A..56V Model
7.04667 2 Sidereal Hanus 2011A&A...530A.134H Model
7.046673 2 Sidereal Hanus 2017A&A...601A.114H Model
7.0469 3- Synodic Behrend LCDB Lightcurve
7.047 3 Synodic Pilcher 2009MPBu...36..133P Lightcurve
7.0473 3 Synodic Pilcher 2009MPBu...36..133P Lightcurve
7.0479 3- Synodic Behrend LCDB Lightcurve
7.05 2 Synodic Piironen 1998A&AS..128..525P Lightcurve
7.07 2+ Synodic Ferrais 2022MPBu...49..307F Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C 0.940000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Ch Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
Ch Bus VIS Bus 2002Icar..158..146B SPEC
Ch Bus VIS Fornasier 2014Icar..233..163F SPEC
Cv Howell VISNIR Howell 1994JGR....9910847H PHOT
G Tholen VIS Fornasier 2014Icar..233..163F SPEC
S S 1.0000 1.0000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.723 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT