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JPL Small-Body Database Browser
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392012 (2009 AN4)
Classification: Main-belt Asteroid          SPK-ID: 2392012
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 .1594401168723572 6.5386e-08  
a 2.730034311374146 2.9771e-08 au
q 2.294757321703107 1.8396e-07 au
i 10.15823916557963 5.4774e-06 deg
node 95.17185558218326 4.4349e-05 deg
peri 310.7210645106053 5.5743e-05 deg
M 148.0940624116125 3.2426e-05 deg
tp 2457922.724711313081
(2017-Jun-18.22471131)
0.00014096 TDB
period 1647.595453551134
4.51
2.695e-05
7.379e-08
d
yr
n .2185002387716453 3.5741e-09 deg/d
Q 3.165311301045185 3.4517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      7092 days (19.42 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49082  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:13  

Additional Information
 Earth MOID = 1.31941 au 
 Jupiter MOID = 2.23037 au 
 T_jup = 3.314 
[ 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 17.2   n/a MPO434450  

392012 (2009 AN4)          Discovered 2009-Jan-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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