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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1963-May-26 23:03 00:01 Amphi 0.0345872243962117 0.0345841938690159 0.0345902549405363 1.63066236434302 1.63066226241507 2438176.460196479 1.32044574416721 155.448086568901 26.615330185818 14.5793207464891 58405.9342524475 T 81 CATAB v2.0f-lin.ifort 2020-Aug-24 22:18:04 2020-Aug-24 22:18
2019-Jun-26 20:14 < 00:01 Hebe 0.004327634992473 0.00432710330499344 0.00432816676428994 7.20520011461414 7.20519991524365 2458661.343205234 0.307540070208405 67.0118826280295 23.1183962286669 -78.0961344181188 27464.7246985635 T 81 CATAB v2.0f-lin.ifort 2020-Aug-24 22:18:04 2020-Aug-24 22:18
2125-Jan-26 14:01 < 00:01 Thisb 0.0478946726086965 0.0478881302377334 0.0479012157066729 4.66503354555031 4.66503351503395 2497226.084271012 0.518538614373225 440.301956783125 34.2143700398858 42.3626284449453 141557.725291055 T 81 CATAB v2.0f-lin.ifort 2020-Aug-24 22:18:04 2020-Aug-24 22:18

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