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JPL Small-Body Database Browser
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(2012 AB11)
Classification: Amor [NEO]          SPK-ID: 3595775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3276506607873782 2.0544e-07  
a 1.583587415878662 6.4603e-09 au
q 1.064723952651442 3.2591e-07 au
i 27.7630821722423 8.1299e-05 deg
node 108.8247881572599 1.1784e-05 deg
peri 20.4911849323394 0.0002982 deg
M 227.501401559298 0.00014476 deg
tp 2458868.398494711634
(2020-Jan-19.89849471)
0.00029318 TDB
period 727.8828548465752
1.99
4.4541e-06
1.219e-08
d
yr
n .4945850800069767 3.0265e-09 deg/d
Q 2.102450879105882 8.577e-09 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      2169 days (5.94 yr)  
   first obs. used      2012-01-14  
   last obs. used      2017-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52488  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:04:47  

Additional Information
 Earth MOID = .0968505 au 
 Jupiter MOID = 3.02693 au 
 T_jup = 4.208 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456641.5 (2013-Dec-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3279736057184486 2.0505e-07  
q 1.064899695376606 3.2575e-07 au
tp 2456683.818257486110
(2014-Jan-26.31825749)
0.00029232 TDB
node 108.8524442818712 1.1706e-05 deg
peri 20.39919215774197 0.00029828 deg
i 27.76165031245009 8.1326e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      2169 days (5.94 yr)  
   first obs. used      2012-01-14  
   last obs. used      2017-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52488  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:04:47  

Additional Information
 Jupiter MOID = 3.02693 au 
 T_jup = 4.208 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.204448201075296E-14 -6.679035687782702E-14 4.552282325532763E-11 9.010271294944717E-13 4.721922988527525E-11 1.55746483008203E-12
q -6.679035687782702E-14 1.061139654774488E-13 -7.247685834790082E-11 -1.439933720473904E-12 -7.517364973440709E-11 -2.53882854327166E-12
tp 4.552282325532763E-11 -7.247685834790082E-11 8.545364676203782E-8 2.803260788650125E-9 8.716504724109001E-8 1.604742025163527E-8
node 9.010271294944717E-13 -1.439933720473904E-12 2.803260788650125E-9 1.370251106738315E-10 2.810257070159837E-9 7.975886009738357E-10
peri 4.721922988527525E-11 -7.517364973440709E-11 8.716504724109001E-8 2.810257070159837E-9 8.897141453250204E-8 1.603159563290196E-8
i 1.55746483008203E-12 -2.53882854327166E-12 1.604742025163527E-8 7.975886009738357E-10 1.603159563290196E-8 6.613885670822362E-9

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 22.2   n/a MPO279219  

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