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(2012 RM15)
Classification: Apollo [NEO]          SPK-ID: 3608623
[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .249630633432562 2.3242e-06  
a 1.094700416824894 3.9867e-08 au
q .8214296583540063 2.5742e-06 au
i 8.005289264195456 6.8047e-05 deg
node 171.238565991338 1.1354e-05 deg
peri 89.75664220354797 0.00032732 deg
M 140.7509296285 8.5967e-05 deg
tp 2459036.935095947146
(2020-Jul-06.43509595)		 9.6196e-05 TDB
period 418.3515207639836
1.15		 2.2853e-05
6.257e-08		 d
yr
n .8605203570016348 4.7007e-08 deg/d
Q 1.367971175295782 4.9819e-08 au
   Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      2956 days (8.09 yr)  
   first obs. used      2012-09-14  
   last obs. used      2020-10-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:37:46  

Additional Information
 Earth MOID = .00954413 au 
 Jupiter MOID = 3.69347 au 
 T_jup = 5.633 
[ 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 24.3   n/a E2020U88  

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