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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 ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866334716012406 5.9918e-07  
a 1.243509325394633 8.1181e-07 au
q 1.011428863027716 1.5697e-07 au
i 9.269952080317053 2.7577e-05 deg
node 163.9957791617451 3.7764e-06 deg
peri 197.7792772204877 0.00016182 deg
M 99.26043801723702 0.00049287 deg
tp 2459256.848474805016
(2021-Feb-11.34847480)
0.00056021 TDB
period 506.4913078608822
1.39
0.00049599
1.358e-06
d
yr
n .710772316153708 6.9603e-07 deg/d
Q 1.47558978776155 9.6333e-07 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   # 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .27206  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:40:08  

Additional Information
 Earth MOID = .0107776 au 
 Jupiter MOID = 3.93552 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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