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65236 (2002 EW97)
Classification: Outer Main-belt Asteroid          SPK-ID: 2065236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370175288997508 5.7909e-08  
a 3.935410454996045 5.3171e-08 au
q 3.396190239246243 2.5594e-07 au
i 7.816453284824392 5.9996e-06 deg
node 40.53967865150869 3.4673e-05 deg
peri 209.5176990415451 4.1667e-05 deg
M 62.62236261728876 2.5523e-05 deg
tp 2458504.467163077094
(2019-Jan-20.96716308)
0.0001995 TDB
period 2851.566338746631
7.81
5.7791e-05
1.582e-07
d
yr
n .1262464053907416 2.5585e-09 deg/d
Q 4.474630670745848 6.0456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1998-11-19  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:36:31  

Additional Information
 Earth MOID = 2.38549 au 
 Jupiter MOID = .597136 au 
 T_jup = 3.029 
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Orbital Elements at Epoch 2456433.5 (2013-May-21.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373373103264187 5.737e-08  
q 3.393580020164776 2.5163e-07 au
tp 2455677.899328474769
(2011-Apr-26.39932847)
0.00020509 TDB
node 40.73450243131876 3.4502e-05 deg
peri 212.7386964259168 4.1884e-05 deg
i 7.841604311518416 6.0161e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1998-11-19  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:36:31  

Additional Information
 Jupiter MOID = .597136 au 
 T_jup = 3.029 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.291345951700771E-15 -1.426907978760981E-14 -4.371245602555328E-12 -4.952866931481504E-15 -5.161501827053437E-13 -8.526641968556188E-16
q -1.426907978760981E-14 6.331672119193301E-14 1.64425960504382E-11 2.107294548447413E-14 2.004720600684558E-12 4.431918953730527E-15
tp -4.371245602555328E-12 1.64425960504382E-11 4.206151167545526E-8 3.715080516078435E-12 4.898517641618099E-9 1.073979487558444E-11
node -4.952866931481504E-15 2.107294548447413E-14 3.715080516078435E-12 1.190398472769775E-9 -1.178709491653119E-9 -4.8566476173395E-11
peri -5.161501827053437E-13 2.004720600684558E-12 4.898517641618099E-9 -1.178709491653119E-9 1.754307555267859E-9 4.944823182439265E-11
i -8.526641968556188E-16 4.431918953730527E-15 1.073979487558444E-11 -4.8566476173395E-11 4.944823182439265E-11 3.619392199719738E-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 13.1   n/a MPO439511  
diameter diameter 12.379 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

65236 (2002 EW97)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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