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JPL Small-Body Database Browser
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(2018 RR)
Classification: Apollo [NEO]          SPK-ID: 3827162
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1780403917855445 0.00014009  
a 1.100720362413878 0.00013809 au
q .9047476778433847 4.0717e-05 au
i 13.71893817540869 0.0082593 deg
node 164.3029773400935 0.00012169 deg
peri 106.9703796916319 0.011327 deg
M 252.2810108217555 0.061035 deg
tp 2458726.712885700170
(2019-Aug-31.21288570)
0.095266 TDB
period 421.8071409570732
1.15
0.079379
0.0002173
d
yr
n .853470614990458 0.00016061 deg/d
Q 1.296693046984371 0.00016268 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      3 days  
   first obs. used      2018-09-06  
   last obs. used      2018-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47221  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-09 07:02:07  

Additional Information
 Earth MOID = .00405792 au 
 Jupiter MOID = 3.79695 au 
 T_jup = 5.607 
[ 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 27.6   .32331 MPO452091 autocmod 2.6n

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