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(2011 DR)
Classification: Amor [NEO]          SPK-ID: 3557828
[ 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.


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Orbital Elements at Epoch 2455617.5 (2011-Feb-25.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324939126467949 0.00060509  
a 1.182270207016066 0.0009748 au
q 1.025626601482771 0.00013027 au
i 10.58432916725691 0.037434 deg
node 152.138326555214 0.00076783 deg
peri 7.22144285766049 0.017993 deg
M 357.18767646002 0.010008 deg
tp 2455621.168059117671
(2011-Feb-28.66805912)		 0.017328 TDB
period 469.5410266952918
1.29		 0.58072
0.00159		 d
yr
n .7667061652391488 0.00094824 deg/d
Q 1.33891381254936 0.001104 au
   Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      7 days  
   first obs. used      2011-02-23  
   last obs. used      2011-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .43944  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:54:24  

Additional Information
 Earth MOID = .0373314 au 
 Jupiter MOID = 3.63157 au 
 T_jup = 5.330 
[ 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 25.8   n/a MPO193822  

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