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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .30077476430267 0.00040338  
a .8952428162222719 3.5231e-05 au
q .6259763691793595 0.00038524 au
i 2.687936791784515 0.0042579 deg
node 84.3067749152044 0.011784 deg
peri 157.3172916213493 0.01006 deg
M 23.28684083431744 0.048713 deg
tp 2458580.486743202112
(2019-Apr-06.98674320)
0.040711 TDB
period 309.3924374929459
0.85
0.018263
5e-05
d
yr
n 1.163570780582534 6.8685e-05 deg/d
Q 1.164509263265184 4.5827e-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 = .0246354 au 
 Jupiter MOID = 3.84171 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 25.569   .3143 2 autocmod 2.6q

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