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(2021 JP5)
Classification: Apollo [NEO]          SPK-ID: 54145077
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.


Orbital Elements at Epoch 2459348.5 (2021-May-14.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5164654692806169 0.00082898  
a 1.927904417569069 0.0031724 au
q .9322083578210852 6.4273e-05 au
i 2.02985065120922 0.0025577 deg
node 239.8850524374608 0.0010576 deg
peri 304.5420776251038 0.0017654 deg
M 13.99794280582131 0.039441 deg
tp 2459310.482076845782
(2021-Apr-05.98207685)
0.013285 TDB
period 977.7474108428781
2.68
2.4133
0.006607
d
yr
n .3681932531937446 0.00090879 deg/d
Q 2.923600477317052 0.0048108 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      20 days  
   first obs. used      2021-05-11  
   last obs. used      2021-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .58046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-31 06:00:28  

Additional Information
 Earth MOID = .0101142 au 
 Jupiter MOID = 2.0411 au 
 T_jup = 3.741 
[ show covariance matrix ]

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 25.056   .37104 4 autocmod 2.9c

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