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JPL Small-Body Database Browser
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(2006 AL4)
Classification: Amor [NEO]          SPK-ID: 3311963
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5909632696083085 4.5962e-08  
a 2.51610523551439 2.2044e-08 au
q 1.029179458856223 1.24e-07 au
i 2.76293624223282 1.1301e-05 deg
node 102.900972250337 6.1684e-05 deg
peri 28.37382533874461 0.0001111 deg
M 111.6968920465276 1.5236e-05 deg
tp 2458148.196219931915
(2018-Jan-29.69621993)
6.7393e-05 TDB
period 1457.778796178892
3.99
1.9158e-05
5.245e-08
d
yr
n .2469510469926073 3.2454e-09 deg/d
Q 4.003031012172557 3.5072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      4402 days (12.05 yr)  
   first obs. used      2006-01-08  
   last obs. used      2018-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .78469  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:02:31  

Additional Information
 Earth MOID = .0497573 au 
 Jupiter MOID = 1.07307 au 
 T_jup = 3.189 
[ 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 24.9   n/a MPO437952  

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