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JPL Small-Body Database Browser
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(2013 AC4)
Classification: Apollo [NEO]          SPK-ID: 3623479
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456296.5 (2013-Jan-04.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6254400631837531 0.0019462  
a 1.412910461677628 0.0049012 au
q .5292196532529864 0.00091454 au
i 3.141371449015347 0.011312 deg
node 102.0272983358588 0.0024107 deg
peri 254.889903028619 0.0054608 deg
M 32.35665326364487 0.21949 deg
tp 2456241.364479057111
(2012-Nov-09.86447906)
0.08714 TDB
period 613.437594355336
1.68
3.1919
0.008739
d
yr
n .5868567614906702 0.0030536 deg/d
Q 2.296601270102269 0.0079666 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      4 days  
   first obs. used      2013-01-03  
   last obs. used      2013-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .49123  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:27  

Additional Information
 Earth MOID = .00331474 au 
 Jupiter MOID = 3.15366 au 
 T_jup = 4.495 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 3.787797885187185E-6 -1.779277060551973E-6 .0001695921545867382 -4.678624041813841E-6 -8.894725674120322E-6 2.200478597676665E-5
q -1.779277060551973E-6 8.363809180064317E-7 -7.967138966381573E-5 2.193620748174216E-6 4.250429381192592E-6 -1.032957568731234E-5
tp .0001695921545867382 -7.967138966381573E-5 .00759330259630921 -.0002094230436347445 -.0003991381410501023 .0009851345532087552
node -4.678624041813841E-6 2.193620748174216E-6 -.0002094230436347445 5.811534217869011E-6 1.047806427659852E-5 -2.722332683691513E-5
peri -8.894725674120322E-6 4.250429381192592E-6 -.0003991381410501023 1.047806427659852E-5 2.982028848551026E-5 -5.082729922889356E-5
i 2.200478597676665E-5 -1.032957568731234E-5 .0009851345532087552 -2.722332683691513E-5 -5.082729922889356E-5 .0001279510509833078

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 26.0   n/a MPO250164  

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