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(2018 RA)
Classification: Apollo [NEO]          SPK-ID: 3827149
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4637771836317947 0.00020366  
a 1.882643981247045 0.0007165 au
q 1.009516657842942 8.1608e-07 au
i 4.428898804363635 0.0014418 deg
node 336.4009594865755 4.0715e-05 deg
peri 13.49340568997305 0.00078599 deg
M 239.6012454955411 0.13639 deg
tp 2459316.051479452727
(2021-Apr-11.55147945)
0.53761 TDB
period 943.5191673745642
2.58
0.53863
0.001475
d
yr
n .3815502773533851 0.00021782 deg/d
Q 2.755771304651149 0.0010488 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3 days  
   first obs. used      2018-09-01  
   last obs. used      2018-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38171  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-14 07:26:56  

Additional Information
 Earth MOID = .0076268 au 
 Jupiter MOID = 2.68436 au 
 T_jup = 3.826 
[ 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 26.7   .21998 MPO452087 autocmod 2.6n

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