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(2018 RP8)
Classification: Aten [NEO]          SPK-ID: 3830496
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5153476468808524 2.0545e-07  
a .7848518978616824 9.8533e-09 au
q .3803803191486932 1.5944e-07 au
i 15.38561758677147 1.8511e-05 deg
node 321.3024852312202 8.3345e-05 deg
peri 247.6471368556617 7.8779e-05 deg
M 180.8583557035559 4.6433e-05 deg
tp 2459326.878748827686
(2021-Apr-22.37874883)
3.46e-05 TDB
period 253.9685831100183
0.70
4.7826e-06
1.309e-08
d
yr
n 1.41749816292848 2.6694e-08 deg/d
Q 1.189323476574672 1.4931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      3249 days (8.90 yr)  
   first obs. used      2011-11-12  
   last obs. used      2020-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .41702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-04 16:42:05  

Additional Information
 Earth MOID = .132966 au 
 Jupiter MOID = 3.82418 au 
 T_jup = 7.272 
[ 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 19.7   .50485 E2019A52 autocmod 2.6n

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