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(2012 AX)
Classification: Apollo [NEO]          SPK-ID: 3592017
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5072172291978346 0.00016056  
a 2.058095053835798 0.0006638 au
q 1.014193783203436 3.3468e-06 au
i 7.141277129330958 0.0018639 deg
node 91.05321072311806 0.00098111 deg
peri 42.2660676396054 0.0017912 deg
M 294.4454674259789 0.5085 deg
tp 2459196.879791489197
(2020-Dec-13.37979149)
1.6183 TDB
period 1078.441446535885
2.95
0.52175
0.001428
d
yr
n .3338150635404211 0.0001615 deg/d
Q 3.10199632446816 0.0010005 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      75 days  
   first obs. used      2012-01-02  
   last obs. used      2012-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47742  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:51:33  

Additional Information
 Earth MOID = .070111 au 
 Jupiter MOID = 1.98292 au 
 T_jup = 3.604 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455939.5 (2012-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5066157955954462 0.00016479  
q 1.016437387543762 9.9641e-06 au
tp 2455959.369896598726
(2012-Feb-01.86989660)
0.00011305 TDB
node 91.14591237196909 0.00069423 deg
peri 42.16182301623694 0.0009471 deg
i 7.147796452767003 0.0018592 deg
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      75 days  
   first obs. used      2012-01-02  
   last obs. used      2012-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47742  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:51:33  

Additional Information
 Jupiter MOID = 1.98292 au 
 T_jup = 3.604 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.715582893729092E-8 1.641861478212565E-9 -1.583160112721928E-8 -1.139926648440676E-7 1.551060824865344E-7 3.063570773437559E-7
q 1.641861478212565E-9 9.928302274542435E-11 -9.595429083364617E-10 -6.892152806897334E-9 9.374775138797347E-9 1.852294169171662E-8
tp -1.583160112721928E-8 -9.595429083364617E-10 1.278108598011145E-8 6.442140931730432E-8 -8.477500345120907E-8 -1.791781075044727E-7
node -1.139926648440676E-7 -6.892152806897334E-9 6.442140931730432E-8 4.819493651428434E-7 -6.564842669721061E-7 -1.28497746673397E-6
peri 1.551060824865344E-7 9.374775138797347E-9 -8.477500345120907E-8 -6.564842669721061E-7 8.970011870142607E-7 1.748227714452716E-6
i 3.063570773437559E-7 1.852294169171662E-8 -1.791781075044727E-7 -1.28497746673397E-6 1.748227714452716E-6 3.456731133426835E-6

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 23.8   n/a MPO227509  

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