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58536 (1997 EQ8)
Classification: Main-belt Asteroid          SPK-ID: 2058536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08651642358919157 3.9552e-08  
a 2.797447101139045 1.8596e-08 au
q 2.555421982768543 1.1068e-07 au
i 3.366383075358729 4.9577e-06 deg
node 186.2592445885676 6.8869e-05 deg
peri 135.5437454143616 7.381e-05 deg
M 163.1262360541417 2.6666e-05 deg
tp 2458226.104954164029
(2018-Apr-17.60495416)
0.00012595 TDB
period 1708.996806671991
4.68
1.7041e-05
4.666e-08
d
yr
n .2106498962400315 2.1004e-09 deg/d
Q 3.039472219509546 2.0205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      9788 days (26.80 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:41:39  

Additional Information
 Earth MOID = 1.54428 au 
 Jupiter MOID = 2.2089 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456848.5 (2014-Jul-10.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0879978559186704 3.9676e-08  
q 2.549570707054547 1.1109e-07 au
tp 2456508.623280507329
(2013-Aug-04.12328051)
0.00012298 TDB
node 186.3470577973731 6.906e-05 deg
peri 133.6919838600228 7.3761e-05 deg
i 3.360085370976976 4.9553e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      9788 days (26.80 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:41:39  

Additional Information
 Jupiter MOID = 2.2089 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.574209490114762E-15 -4.357027074133569E-15 9.196989887148145E-13 -7.906149513745475E-16 1.979318970195008E-13 -7.173809973925693E-18
q -4.357027074133569E-15 1.234016801554442E-14 -2.700828570481033E-12 3.573633333589287E-15 -5.718357517724579E-13 3.065701169795811E-16
tp 9.196989887148145E-13 -2.700828570481033E-12 1.512423631670041E-8 5.298782749344189E-12 3.201506752583907E-9 -6.375155857254513E-13
node -7.906149513745475E-16 3.573633333589287E-15 5.298782749344189E-12 4.769222368258436E-9 -4.759688493763792E-9 9.094263429072789E-12
peri 1.979318970195008E-13 -5.718357517724579E-13 3.201506752583907E-9 -4.759688493763792E-9 5.440670799820446E-9 -9.190316512891794E-12
i -7.173809973925693E-18 3.065701169795811E-16 -6.375155857254513E-13 9.094263429072789E-12 -9.190316512891794E-12 2.455511761434801E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO452963  

58536 (1997 EQ8)          Discovered 1997-Mar-02 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EQ8 = 1993 FB49 = 1998 HA157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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