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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 
[ show covariance matrix ]

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  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2009-Mar-14 19:14 1_20:33 Earth 0.258177577748206 0.233579654194374 0.283477229829073 12.9972159323276 12.9964218660233 2454905.301616819 2673.24900281108 1413721.01170512 57.6402252331875 -28.218399312882 264091.787928123 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 05:18:22 2018-Dec-11 15:46
2012-Jan-20 05:18 < 00:01 Earth 0.0747652521273713 0.0747003949721912 0.0748301091260866 7.18725501814475 7.18229481586814 2455946.721109974 0.409911462219355 3229.65694085977 14.2639392949864 -0.125871089530733 2027.9419095614 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 05:18:22 2018-Dec-11 15:46
2014-Dec-22 22:45 1_11:16 Earth 0.262491204804522 0.233922506503853 0.291169742152897 14.7201376160234 14.7194480181663 2457014.447982624 2115.9117487309 1452244.97024887 16.0718682931107 -10.57342114119 380967.582644495 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 05:18:22 2018-Dec-11 15:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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