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301385 (2009 DR11)
Classification: Main-belt Asteroid          SPK-ID: 2301385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03319719524953947 9.0552e-08  
a 2.6059679127011 2.4363e-08 au
q 2.519457087089127 2.2817e-07 au
i 1.690192408949855 9.046e-06 deg
node 349.3958314614774 0.00018159 deg
peri 165.0425847207585 0.00021532 deg
M 244.7477669625738 0.00012262 deg
tp 2459492.424973281580
(2021-Oct-04.92497328)
0.00052769 TDB
period 1536.568843085763
4.21
2.1547e-05
5.899e-08
d
yr
n .2342882335665755 3.2855e-09 deg/d
Q 2.692478738313073 2.5171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6747 days (18.47 yr)  
   first obs. used      2001-03-28  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63219  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:50:21  

Additional Information
 Earth MOID = 1.52862 au 
 Jupiter MOID = 2.27901 au 
 T_jup = 3.411 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO455223  

301385 (2009 DR11)          Discovered 2009-Feb-21 by Lowe, A. at Mayhill
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2009 DR11 = 2005 GM120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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