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JPL Small-Body Database Browser
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(2018 AH12)
Classification: Apollo [NEO]          SPK-ID: 3797687
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504037975317434 6.9702e-05  
a 1.074832380540994 4.7631e-05 au
q .9131735087975444 3.4452e-05 au
i 5.347260029741161 0.002544 deg
node 128.820684555124 0.00019357 deg
peri 72.93491848026584 0.002347 deg
M 337.1145722806709 0.045591 deg
tp 2459026.374148840195
(2020-Jun-25.87414884)
0.053265 TDB
period 407.0141793593408
1.11
0.027055
7.407e-05
d
yr
n .8844900700183387 5.8794e-05 deg/d
Q 1.236491252284443 5.4795e-05 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      21 days  
   first obs. used      2018-01-14  
   last obs. used      2018-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47131  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-04 07:23:40  

Additional Information
 Earth MOID = .0115238 au 
 Jupiter MOID = 3.72287 au 
 T_jup = 5.736 
[ 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 26.9   n/a MPO438049  

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