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(1999 RM45)
Classification: Apollo [NEO, PHA]          SPK-ID: 3022036
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .644141092993559 1.4229e-07  
a 1.681249253437408 1.3867e-08 au
q .598287521733631 2.4376e-07 au
i 10.88895163181513 1.5857e-05 deg
node 162.8443402086511 4.5819e-05 deg
peri 88.76349513507559 4.3867e-05 deg
M 213.3800408650911 1.6774e-05 deg
tp 2459324.792703277613
(2021-Apr-20.29270328)		 3.9751e-05 TDB
period 796.2447532298119
2.18		 9.851e-06
2.697e-08		 d
yr
n .4521222884543101 5.5936e-09 deg/d
Q 2.764210985141186 2.2799e-08 au
   Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1999-09-14  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-17 06:06:06  

Additional Information
 Earth MOID = .00273754 au 
 Jupiter MOID = 2.38954 au 
 T_jup = 3.949 
[ 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 19.4   n/a MPO254715  

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