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(2021 JB6)
Classification: Apollo [NEO]          SPK-ID: 54145208
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .442118521696732 7.7533e-05  
a 1.709005629946391 0.00022271 au
q .9534225872631005 8.2616e-06 au
i .209089752983832 3.4075e-05 deg
node 65.08463270446568 0.00078615 deg
peri 203.4025116746328 0.001056 deg
M 281.9503868981475 0.015549 deg
tp 2459377.422032842944
(2021-Jun-11.92203284)
0.00066432 TDB
period 816.0441710370025
2.23
0.15951
0.0004367
d
yr
n .44115259048113 8.6232e-05 deg/d
Q 2.464588672629682 0.00032117 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      5 days  
   first obs. used      2021-05-08  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .34146  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-14 05:53:01  

Additional Information
 Earth MOID = .000734304 au 
 Jupiter MOID = 2.64975 au 
 T_jup = 4.073 
[ 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 28.782   .32222 2 autocmod 2.9c

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