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(2018 RO)
Classification: Apollo [NEO]          SPK-ID: 3827158
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4430928124452225 0.00039211  
a 1.81668672121987 0.0012809 au
q 1.011725892582668 9.8953e-07 au
i 3.225350810788625 0.0021356 deg
node 328.7363234926731 0.0015586 deg
peri 9.413911451108486 0.00062744 deg
M 256.421126411116 0.27095 deg
tp 2459257.828075835810
(2021-Feb-12.32807584)
0.94528 TDB
period 894.3726079565457
2.45
0.94587
0.00259
d
yr
n .4025167998185059 0.0004257 deg/d
Q 2.621647549857072 0.0018484 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      16 days  
   first obs. used      2018-09-05  
   last obs. used      2018-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .34201  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 06:27:28  

Additional Information
 Earth MOID = .0042974 au 
 Jupiter MOID = 2.78366 au 
 T_jup = 3.922 
[ 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 26.0   .22396 E2018T36 autocmod 2.6n

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