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(2021 JB1)
Classification: Apollo [NEO]          SPK-ID: 54143417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3130322150809139 0.00062861  
a 1.357854816196463 0.0011361 au
q .9328025153241969 7.327e-05 au
i 17.99263081104643 0.024316 deg
node 45.03244173833569 0.00058766 deg
peri 227.5894123472958 0.01402 deg
M 9.852520778383866 0.0025306 deg
tp 2459380.683029993036
(2021-Jun-15.18302999)
0.023803 TDB
period 577.9342495780249
1.58
0.7253
0.001986
d
yr
n .6229082292022867 0.00078174 deg/d
Q 1.782907117068729 0.0014917 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      1 day  
   first obs. used      2021-05-03  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .40134  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 19:12:07  

Additional Information
 Earth MOID = .00253009 au 
 Jupiter MOID = 3.35382 au 
 T_jup = 4.755 
[ 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 27.20   .35234 MPO622836 autocmod 2.9c

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