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JPL Small-Body Database Browser
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305615 (2009 AL1)
Classification: Main-belt Asteroid          SPK-ID: 2305615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05331429928395671 6.6816e-08  
a 2.285149642398264 2.1357e-08 au
q 2.163318490454816 1.6155e-07 au
i 7.267385655787929 6.4831e-06 deg
node 111.3276741506399 4.0291e-05 deg
peri 7.361210324776614 8.6572e-05 deg
M 341.7950325604205 7.1298e-05 deg
tp 2458664.305453547473
(2019-Jun-29.80545355)
0.00024981 TDB
period 1261.741519358672
3.45
1.7688e-05
4.843e-08
d
yr
n .2853199284295437 3.9999e-09 deg/d
Q 2.406980794341711 2.2496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:41:22  

Additional Information
 Earth MOID = 1.18002 au 
 Jupiter MOID = 2.63091 au 
 T_jup = 3.590 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO376976  

305615 (2009 AL1)          Discovered 2009-Jan-02 by Shandong University at Weihai
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 AL1 = 2001 YZ100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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