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524 Fidelio (A904 ED)
Classification: Main-belt Asteroid          SPK-ID: 2000524
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285631672394474 3.3528e-08  
a 2.634173284496843 8.0887e-09 au
q 2.295515623984391 8.775e-08 au
i 8.228993033002773 3.7554e-06 deg
node 326.6839864589409 2.4804e-05 deg
peri 79.75735002121701 2.9129e-05 deg
M 158.456245437252 1.6762e-05 deg
tp 2458313.159714957613
(2018-Jul-13.65971496)
7.1531e-05 TDB
period 1561.582517195546
4.28
7.1927e-06
1.969e-08
d
yr
n .2305353678309141 1.0619e-09 deg/d
Q 2.972830945009294 9.1286e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3224  
   data-arc span      42513 days (116.39 yr)  
   first obs. used      1904-03-15  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:17:43  

Additional Information
 Earth MOID = 1.32178 au 
 Jupiter MOID = 2.4287 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456406.5 (2013-Apr-24.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1265975820537885 3.3532e-08  
q 2.301901752426875 8.7548e-08 au
tp 2456751.833241346363
(2014-Apr-04.33324135)
7.0561e-05 TDB
node 326.7200686854333 2.4796e-05 deg
peri 80.10427740502821 2.9245e-05 deg
i 8.229097085335653 3.754e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3224  
   data-arc span      42513 days (116.39 yr)  
   first obs. used      1904-03-15  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:17:43  

Additional Information
 Jupiter MOID = 2.4287 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.124419143103914E-15 -2.926253938545618E-15 2.006500911438257E-13 -4.69732446963762E-15 1.686555496644593E-14 8.21623292511343E-16
q -2.926253938545618E-15 7.664705188910442E-15 -4.052060926334945E-13 1.17132884360988E-14 -2.252025724967077E-14 -2.179557607251133E-15
tp 2.006500911438257E-13 -4.052060926334945E-13 4.978874033722478E-9 -1.354389248167821E-11 1.105774219415927E-9 -2.400436744445869E-12
node -4.69732446963762E-15 1.17132884360988E-14 -1.354389248167821E-11 6.148662009168239E-10 -6.11017473244858E-10 7.846652678215018E-12
peri 1.686555496644593E-14 -2.252025724967077E-14 1.105774219415927E-9 -6.11017473244858E-10 8.552453071293539E-10 -8.332863841961358E-12
i 8.21623292511343E-16 -2.179557607251133E-15 -2.400436744445869E-12 7.846652678215018E-12 -8.332863841961358E-12 1.409247056333378E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.9   n/a MPO502158 IRAS observations used: 3
diameter diameter 65.527 km 0.957 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.198 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Koff, R.A. (2006) Minor Planet Bull. 33, 31-33.]
[Wang, X.-b.; Gu, S.-h.; Li, X.-j. (2010) Earth, Moon, and Planets 106, 97-104.]
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.]
geometric albedo albedo 0.048   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.722   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=7.92, mean=11.38, max.=13.29) deg.
U-B UB 0.316   0.051 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=7.92, mean=11.38, max.=13.29) deg.
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

524 Fidelio (A904 ED)          Discovered 1904-Mar-14 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A904 ED = 1953 UT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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