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JPL Small-Body Database Browser
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(2021 RM5)
Classification: Apollo [NEO]          SPK-ID: 54194339
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1732692283834318 0.00024187  
a 1.21841732506016 0.00036697 au
q 1.007303095297981 0.00012473 au
i 5.870779586975166 0.0072396 deg
node 180.2909825125237 0.009709 deg
peri 215.7464197694344 0.05187 deg
M 272.9536521181488 0.054874 deg
tp 2459515.279250156324
(2021-Oct-27.77925016)
0.035412 TDB
period 491.2386458110311
1.34
0.22193
0.0006076
d
yr
n .7328413655355696 0.00033108 deg/d
Q 1.429531554822339 0.00043055 au
  Orbit Determination Parameters
   # obs. used (total)      14  
   data-arc span      3 days  
   first obs. used      2021-09-07  
   last obs. used      2021-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .51828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-14 06:55:44  

Additional Information
 Earth MOID = .0274838 au 
 Jupiter MOID = 3.90569 au 
 T_jup = 5.219 
[ 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 26.353   .29011 3 autocmod 2.9e

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