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(2005 HN3)
Classification: Aten [NEO]          SPK-ID: 3277400
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3356458159505228 1.3993e-07  
a .8552638231499069 4.1582e-09 au
q .5681980993757927 1.1923e-07 au
i 7.897315775699941 1.8068e-05 deg
node 59.38441874968473 5.0836e-05 deg
peri 6.270955973741397 5.796e-05 deg
M 156.2119107452367 5.1324e-05 deg
tp 2458875.139641923639
(2020-Jan-26.63964192)
4.0411e-05 TDB
period 288.9006906847923
0.79
2.1069e-06
5.768e-09
d
yr
n 1.246102939894946 9.0876e-09 deg/d
Q 1.142329546924021 5.5539e-09 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      5509 days (15.08 yr)  
   first obs. used      2005-04-21  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45154  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 07:39:36  

Additional Information
 Earth MOID = .0785537 au 
 Jupiter MOID = 4.13949 au 
 T_jup = 6.840 
[ 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 21.2   n/a MPO266882  

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