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(2021 JG1)
Classification: Apollo [NEO]          SPK-ID: 54143421
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3094260633190685 5.5484e-05  
a 1.200693083118616 6.1916e-05 au
q .8291673491547878 2.3862e-05 au
i 2.504963548916086 0.00038205 deg
node 72.62981416631031 6.5742e-05 deg
peri 249.1202381856628 0.00039453 deg
M 195.4197122587497 0.014856 deg
tp 2459420.195801069667
(2021-Jul-24.69580107)
0.0028369 TDB
period 480.5586955190188
1.32
0.037172
0.0001018
d
yr
n .7491280531531916 5.7946e-05 deg/d
Q 1.572218817082445 8.1075e-05 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      24 days  
   first obs. used      2021-05-03  
   last obs. used      2021-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .34362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-30 05:59:21  

Additional Information
 Earth MOID = .0058766 au 
 Jupiter MOID = 3.73436 au 
 T_jup = 5.246 
[ 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 24.845   .46281 20 autocmod 2.9c

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