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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.


Orbital Elements at Epoch 2455617.5 (2011-Feb-25.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325121201694854 0.00060526  
a 1.182299495209497 0.00097511 au
q 1.025630482423974 0.0001303 au
i 10.58544586494098 0.037442 deg
node 152.1383081525216 0.00076799 deg
peri 7.221742572258894 0.017991 deg
M 357.1875618859052 0.010005 deg
tp 2455621.168344863242
(2011-Feb-28.66834486)
0.017326 TDB
period 469.5584746020826
1.29
0.58091
0.00159
d
yr
n .7666776758849351 0.00094848 deg/d
Q 1.33896850799502 0.0011043 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .44163  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:50:54  

Additional Information
 Earth MOID = .0373355 au 
 Jupiter MOID = 3.63152 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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