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(2018 RB)
Classification: Apollo [NEO, PHA]          SPK-ID: 3827151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7320763869541198 1.1073e-07  
a 1.951048094296233 1.1832e-07 au
q .5227318546501258 2.4761e-07 au
i 4.562864341730217 8.1811e-06 deg
node 349.2024813609463 6.4742e-05 deg
peri 244.3143289337216 8.4313e-05 deg
M 35.15968306135782 5.7769e-06 deg
tp 2459299.282860051407
(2021-Mar-25.78286005)
1.0496e-05 TDB
period 995.4063101313359
2.73
9.0551e-05
2.479e-07
d
yr
n .3616613601258976 3.29e-08 deg/d
Q 3.37936433394234 2.0494e-07 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      888 days (2.43 yr)  
   first obs. used      2018-09-01  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .4001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:38:34  

Additional Information
 Earth MOID = .0240969 au 
 Jupiter MOID = 1.66692 au 
 T_jup = 3.499 
[ 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 21.8   .37909 MPO600115 autocmod 2.6n

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