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65852 (1997 EX7)
Classification: Main-belt Asteroid          SPK-ID: 2065852
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406821721354995 3.1891e-08  
a 2.551143188898815 9.6e-09 au
q 2.192242823655844 8.3201e-08 au
i 3.912596310889237 5.0427e-06 deg
node 352.274410267874 4.8393e-05 deg
peri 52.22782515617989 5.2649e-05 deg
M 2.125043692251989 2.1903e-05 deg
tp 2458991.714508910934
(2020-May-22.21450891)
9.0531e-05 TDB
period 1488.334947462713
4.07
8.401e-06
2.3e-08
d
yr
n .241881036666996 1.3653e-09 deg/d
Q 2.910043554141785 1.0951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1349  
   data-arc span      8309 days (22.75 yr)  
   first obs. used      1997-03-07  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:57:29  

Additional Information
 Earth MOID = 1.20369 au 
 Jupiter MOID = 2.4847 au 
 T_jup = 3.423 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456814.5 (2014-Jun-06.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414489849084373 3.2315e-08  
q 2.190250100240108 8.4568e-08 au
tp 2457498.250282064648
(2016-Apr-19.75028206)
8.5868e-05 TDB
node 352.4758509194657 4.8264e-05 deg
peri 51.09438754213004 5.2477e-05 deg
i 3.920059088274336 5.0469e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1349  
   data-arc span      8309 days (22.75 yr)  
   first obs. used      1997-03-07  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:57:29  

Additional Information
 Jupiter MOID = 2.4847 au 
 T_jup = 3.423 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.044248052668163E-15 -2.71974427400138E-15 -1.201404731492538E-12 -4.936617155178811E-15 -2.505332352383644E-13 5.154949636167075E-16
q -2.71974427400138E-15 7.151806483163075E-15 3.379041382932446E-12 1.246002418291047E-14 7.06105862987391E-13 -1.146287480051779E-15
tp -1.201404731492538E-12 3.379041382932446E-12 7.373249713283373E-9 4.178470581785938E-12 1.772600287988306E-9 1.92571452583391E-13
node -4.936617155178811E-15 1.246002418291047E-14 4.178470581785938E-12 2.329449957356571E-9 -2.322590017995487E-9 -7.616195776549201E-11
peri -2.505332352383644E-13 7.06105862987391E-13 1.772600287988306E-9 -2.322590017995487E-9 2.753884072007295E-9 7.60377032391067E-11
i 5.154949636167075E-16 -1.146287480051779E-15 1.92571452583391E-13 -7.616195776549201E-11 7.60377032391067E-11 2.547070519026922E-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 14.8   n/a MPO432210  

65852 (1997 EX7)          Discovered 1997-Mar-07 by Osservatorio San Vittore at Bologna
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 EX7 = 1999 SD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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