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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5925454370500253 3.9905e-08  
a 2.513413804061574 1.2457e-08 au
q 1.024101923046342 1.0479e-07 au
i 2.763923245861681 1.1318e-05 deg
node 102.9064370265043 6.1758e-05 deg
peri 28.33621441172114 0.00011107 deg
M 210.5944282855066 1.3725e-05 deg
tp 2459604.530284807947
(2022-Jan-25.03028481)
5.1672e-05 TDB
period 1455.440383082893
3.98
1.082e-05
2.962e-08
d
yr
n .2473478159493234 1.8389e-09 deg/d
Q 4.002725685076807 1.9838e-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 = .0448485 au 
 Jupiter MOID = 1.0722 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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