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(2021 JU4)
Classification: Amor [NEO]          SPK-ID: 54144928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898728430443132 0.00042675  
a 1.27142382085272 0.00070781 au
q 1.03001496527315 3.084e-05 au
i 15.03356701064158 0.020584 deg
node 45.21390511728949 0.0037421 deg
peri 185.2876044679453 0.0042557 deg
M 33.26526543048546 0.030176 deg
tp 2459348.113697623101
(2021-May-13.61369762)
0.0034943 TDB
period 523.641360748627
1.43
0.43727
0.001197
d
yr
n .6874934391838793 0.0005741 deg/d
Q 1.512832676432289 0.0008422 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      11 days  
   first obs. used      2021-05-06  
   last obs. used      2021-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .74685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-19 06:23:08  

Additional Information
 Earth MOID = .0222507 au 
 Jupiter MOID = 3.46844 au 
 T_jup = 5.030 
[ 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 24.71   .2441 MPO622852 autocmod 2.9c

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