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379545 (2011 AC15)
Classification: Main-belt Asteroid          SPK-ID: 2379545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361373161719526 8.4997e-08  
a 2.705477023919539 2.566e-08 au
q 2.337160642918252 2.2116e-07 au
i 8.24935698222072 5.899e-06 deg
node 45.19457522779142 4.4151e-05 deg
peri 143.732215964123 5.2451e-05 deg
M 15.28108393347061 2.2644e-05 deg
tp 2458931.505279069009
(2020-Mar-23.00527907)
0.00010224 TDB
period 1625.414770529008
4.45
2.3124e-05
6.331e-08
d
yr
n .2214819297371305 3.1509e-09 deg/d
Q 3.073793404920827 2.9153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6641 days (18.18 yr)  
   first obs. used      2002-02-22  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:29:44  

Additional Information
 Earth MOID = 1.34257 au 
 Jupiter MOID = 1.89365 au 
 T_jup = 3.337 
[ 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 16.5   n/a MPO418931  

379545 (2011 AC15)          Discovered 2009-Sep-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 AC15 = 2009 VG66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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