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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504018949628814 6.9731e-05  
a 1.07473475915003 4.7804e-05 au
q .9130926147913899 3.4329e-05 au
i 5.347098205330109 0.002544 deg
node 128.8246610894937 0.00018866 deg
peri 72.92787003359528 0.0023892 deg
M 343.311652338118 0.022081 deg
tp 2458619.365191036516
(2019-May-15.86519104)
0.02622 TDB
period 406.9587301718513
1.11
0.027152
7.434e-05
d
yr
n .8846105840952927 5.9021e-05 deg/d
Q 1.236376903508671 5.4994e-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 = .0117206 au 
 Jupiter MOID = 3.72412 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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