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JPL Small-Body Database Browser
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(2019 RA)
Classification: Apollo [NEO]          SPK-ID: 3843734
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866681777741222 6e-07  
a 1.243504367606669 8.1252e-07 au
q 1.01138167325137 1.5807e-07 au
i 9.269506723435686 2.7649e-05 deg
node 163.9995277717558 3.7828e-06 deg
peri 197.7851261978021 0.00016276 deg
M 177.7805285251596 0.00023046 deg
tp 2458750.378461375983
(2019-Sep-23.87846138)
0.00014909 TDB
period 506.4882788437823
1.39
0.00049642
1.359e-06
d
yr
n .7107765668769521 6.9665e-07 deg/d
Q 1.475627061961968 9.642e-07 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      7 days  
   first obs. used      2019-09-01  
   last obs. used      2019-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .24398  
   source      ORB  
   producer      Giorgini  
   solution date      2019-Dec-11 13:04:43  

Additional Information
 Earth MOID = .0115453 au 
 Jupiter MOID = 3.93785 au 
 T_jup = 5.132 
[ 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   .33609 E2019X31 autocmod 2.8

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