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(2013 RJ74)
Classification: Apollo [NEO, PHA]          SPK-ID: 3648317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7240356930264154 2.8031e-06  
a 2.811304224941738 2.6143e-05 au
q .7758196221279574 6.8571e-07 au
i 22.44300487310804 9.9414e-05 deg
node 348.382318400117 0.00014664 deg
peri 124.4289963502567 0.00014771 deg
M 167.1852928269323 0.0073424 deg
tp 2458400.931337972285
(2018-Oct-09.43133797)
0.023962 TDB
period 1721.710764522511
4.71
0.024016
6.575e-05
d
yr
n .2090943539519777 2.9166e-06 deg/d
Q 4.846788827755519 4.5071e-05 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      228 days  
   first obs. used      2013-09-14  
   last obs. used      2014-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .57448  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 08:33:56  

Additional Information
 Earth MOID = .0300779 au 
 Jupiter MOID = 1.293 au 
 T_jup = 2.788 
[ 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 19.1   n/a E2013S21  

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