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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6442897851253645 9.7581e-08  
a 1.683461918592597 1.3576e-08 au
q .5988246007958387 1.688e-07 au
i 10.89329574725759 1.1532e-05 deg
node 162.8314054256473 8.7405e-06 deg
peri 88.69948611069017 1.9793e-05 deg
M 32.35347947842646 8.1233e-07 deg
tp 2459324.799552668208
(2021-Apr-20.29955267)		 1.0396e-06 TDB
period 797.8171577080869
2.18		 9.6505e-06
2.642e-08		 d
yr
n .4512312082058785 5.4581e-09 deg/d
Q 2.768099236389354 2.2322e-08 au
   Orbit Determination Parameters
   # obs. used (total)      349  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      7839 days (21.46 yr)  
   first obs. used      1999-09-14  
   last obs. used      2021-03-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34547  
   source      ORB  
   producer      Giorgini  
   solution date      2021-Jul-01 17:37:29  

Additional Information
 Earth MOID = .0024881 au 
 Jupiter MOID = 2.38362 au 
 T_jup = 3.945 
[ 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 19.76   n/a E2021-HE1  

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