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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4638438436401675 0.00020394  
a 1.882735152433838 0.00071511 au
q 1.00944004277247 5.8308e-07 au
i 4.428930870846826 0.0014423 deg
node 336.4005699704089 3.8625e-05 deg
peri 13.48877740274812 0.00072627 deg
M 315.9236219753682 0.17997 deg
tp 2459316.027578993966
(2021-Apr-11.52757899)
0.53755 TDB
period 943.5877061991223
2.58
0.5376
0.001472
d
yr
n .3815225629105752 0.00021737 deg/d
Q 2.756030262095206 0.0010468 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 = .00599518 au 
 Jupiter MOID = 2.68486 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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