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JPL Small-Body Database Browser
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(2015 AH44)
Classification: Apollo [NEO]          SPK-ID: 3703544
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4482900348503921 0.00047999  
a 1.816018200101159 0.0015981 au
q 1.001915337888864 1.0012e-05 au
i 16.04117413621948 0.011303 deg
node 114.4012093370063 0.00018327 deg
peri 4.975084637368118 0.00018947 deg
M 267.7481705237712 0.83004 deg
tp 2458829.561029714528
(2019-Dec-12.06102971)
2.3634 TDB
period 893.8789741668875
2.45
1.1799
0.00323
d
yr
n .4027390848246845 0.00053161 deg/d
Q 2.630121062313454 0.0023145 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      8 days  
   first obs. used      2015-01-15  
   last obs. used      2015-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50161  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:36:26  

Additional Information
 Earth MOID = .0197279 au 
 Jupiter MOID = 2.48456 au 
 T_jup = 3.880 
[ 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 24.4   n/a MPO331371  

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