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(2011 HT)
Classification: Amor [NEO]          SPK-ID: 3563860
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4504911391004158 3.2505e-08  
a 1.928301594990225 3.0333e-09 au
q 1.05961881293393 6.1616e-08 au
i 7.104577734496306 4.8227e-06 deg
node 90.12439021476341 3.1814e-05 deg
peri 163.6107988795868 3.7548e-05 deg
M 130.9977178914371 8.7271e-06 deg
tp 2458644.604827827318
(2019-Jun-10.10482783)
2.3007e-05 TDB
period 978.0495724997705
2.68
2.3078e-06
6.318e-09
d
yr
n .3680795024324643 8.685e-10 deg/d
Q 2.79698437704652 4.3997e-09 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      3020 days (8.27 yr)  
   first obs. used      2011-04-25  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43801  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-02 06:59:45  

Additional Information
 Earth MOID = .0508603 au 
 Jupiter MOID = 2.27049 au 
 T_jup = 3.777 
[ 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 22.2   n/a MPO477644  

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