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(2020 JH2)
Classification: Apollo [NEO]          SPK-ID: 54017039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2458987.5 (2020-May-18.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5993635630037643 0.00088045  
a 1.984371526112937 0.0038413 au
q .79501153789867 0.00020817 au
i 4.116412551754554 0.0040085 deg
node 82.40930858166352 0.0068099 deg
peri 222.7327122651475 0.0060032 deg
M 343.2529939261643 0.055645 deg
tp 2459034.997153586032
(2020-Jul-04.49715359)
0.019899 TDB
period 1021.016844180033
2.80
2.9647
0.008117
d
yr
n .3525896776846145 0.0010238 deg/d
Q 3.173731514327205 0.0061437 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      6 days  
   first obs. used      2020-05-15  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .33003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-02 06:15:17  

Additional Information
 Earth MOID = .0267835 au 
 Jupiter MOID = 2.11604 au 
 T_jup = 3.608 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 7.751997829152527E-7 -1.832802043394998E-7 -1.75202622288484E-5 5.967754127667649E-6 -5.262553391384241E-6 3.528481431743812E-6
q -1.832802043394998E-7 4.333381942152402E-8 4.142239141933598E-6 -1.411383493147973E-6 1.244496284970888E-6 -8.341848789164793E-7
tp -1.75202622288484E-5 4.142239141933598E-6 .000395980061109299 -.0001348430153016737 .0001189164634483188 -7.975124332428034E-5
node 5.967754127667649E-6 -1.411383493147973E-6 -.0001348430153016737 4.637515642168356E-5 -4.087295547384888E-5 2.710739572062649E-5
peri -5.262553391384241E-6 1.244496284970888E-6 .0001189164634483188 -4.087295547384888E-5 3.603830320237869E-5 -2.39065273523934E-5
i 3.528481431743812E-6 -8.341848789164793E-7 -7.975124332428034E-5 2.710739572062649E-5 -2.39065273523934E-5 1.606792495997258E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.566   .47446 6 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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