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JPL Small-Body Database Browser
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441303 (2008 AL4)
Classification: Main-belt Asteroid          SPK-ID: 2441303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .354220402687154 4.861e-08  
a 2.686360832756395 3.326e-08 au
q 1.734797016814427 1.3522e-07 au
i 11.6131238410126 1.0347e-05 deg
node 298.0258343115221 3.3625e-05 deg
peri 110.0469493589142 3.8246e-05 deg
M 244.2179292218074 2.2266e-05 deg
tp 2459117.730062479407
(2020-Sep-25.23006248)
0.00010736 TDB
period 1608.218105282476
4.40
2.9867e-05
8.177e-08
d
yr
n .2238502345033403 4.1572e-09 deg/d
Q 3.637924648698364 4.5041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5354 days (14.66 yr)  
   first obs. used      2002-07-21  
   last obs. used      2017-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61575  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:39:43  

Additional Information
 Earth MOID = .784885 au 
 Jupiter MOID = 1.95042 au 
 T_jup = 3.253 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO402740  

441303 (2008 AL4)          Discovered 2008-Jan-09 by LUSS at Lulin
Reference: Last Updated: 2015-09-02

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