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JPL Small-Body Database Browser
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(2021 RF5)
Classification: Apollo [NEO]          SPK-ID: 54194324
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 2459466.5 (2021-Sep-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5834191529046229 0.0017708  
a 2.360555826992957 0.0099805 au
q .9833623460246543 4.3553e-05 au
i 3.914546136645789 0.010687 deg
node 153.7197639748101 0.0017251 deg
peri 248.0376037376337 0.0044693 deg
M 346.1167705733787 0.090698 deg
tp 2459517.586698911818
(2021-Oct-30.08669891)
0.0097563 TDB
period 1324.707029114503
3.63
8.4013
0.023
d
yr
n .2717582016913135 0.0017235 deg/d
Q 3.737749307961259 0.015803 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      8 days  
   first obs. used      2021-09-07  
   last obs. used      2021-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .4569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-16 06:34:25  

Additional Information
 Earth MOID = .0507998 au 
 Jupiter MOID = 1.70275 au 
 T_jup = 3.296 
[ 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 24.638   .41939 2 autocmod 2.9e

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