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(2019 AR8)
Classification: Aten [NEO]          SPK-ID: 3837784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3007519026486687 0.00040333  
a .895247774136936 3.5139e-05 au
q .6260003027232669 0.00038513 au
i 2.687900386226731 0.0042579 deg
node 84.30687854807786 0.011784 deg
peri 157.3217876697413 0.010055 deg
M 128.7063368801862 0.075697 deg
tp 2458889.885838656331
(2020-Feb-10.38583866)
0.05861 TDB
period 309.3950076505593
0.85
0.018216
4.987e-05
d
yr
n 1.163561114750099 6.8506e-05 deg/d
Q 1.164495245550605 4.5708e-05 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      2 days  
   first obs. used      2019-01-09  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .5559  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-12 06:55:24  

Additional Information
 Earth MOID = .0245719 au 
 Jupiter MOID = 3.84137 au 
 T_jup = 6.603 
[ 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 25.5   .3143 MPO467340 autocmod 2.6q

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