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(2012 UT9)
Classification: Apollo [NEO]          SPK-ID: 3612167
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 2456218.5 (2012-Oct-18.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2401972198363113 0.00099678  
a 1.317644615309089 0.0017586 au
q 1.00115004197956 2.2847e-05 au
i 26.31076731206551 0.04825 deg
node 200.32874278 0.0001667 deg
peri 159.02563531 0.02633 deg
M 15.49395140289654 0.051343 deg
tp 2456194.723082388611
(2012-Sep-24.22308239)
0.03119 TDB
period 552.453671598572
1.51
1.106
0.003028
d
yr
n .6516383517885024 0.0013046 deg/d
Q 1.634139188638618 0.0021811 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      10 days  
   first obs. used      2012-10-13  
   last obs. used      2012-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .32107  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:27  

Additional Information
 Earth MOID = .0162451 au 
 Jupiter MOID = 3.85195 au 
 T_jup = 4.825 
[ 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 23.7   n/a MPO252124  

[ 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
1944-Sep-22 09:37 1_00:16 Earth 0.374920351986907 0.335253562848638 0.417943353476886 16.6205103681038 16.6200827711805 2431355.900983288 1456.48021599572 2717836.75314699 202.52540332286 -40.3622144745914 171737.291475117 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 07:58:02 2018-Dec-11 15:54
2009-Oct-05 18:33 5_13:37 Earth 0.148095502484952 0.0847474065705252 0.273854348976628 14.5797744790788 14.5785404140055 2455110.273082914 8016.56119450505 6929594.42625287 240.314981876823 -34.9110911592149 50961.2697612378 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 07:58:02 2018-Dec-11 15:54
2012-Oct-13 03:45 < 00:01 Earth 0.0163219215089135 0.0162198780840213 0.0164239630560447 14.7918295948696 14.7807892845391 2456213.655922007 0.0557648600669847 5080.94641920606 19.7787386587327 -0.359185363842491 387.666517111114 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 07:58:02 2018-Dec-11 15:54
2015-Oct-21 09:13 5_00:50 Earth 0.156489161916635 0.0444154524028123 0.270950915650348 16.2785525223362 16.2775065354009 2457316.884027389 7249.82027722653 5730186.0764742 43.876116704219 6.6870418457381 64059.0555957993 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 07:58:02 2018-Dec-11 15:54
2018-Oct-28 16:58 7_19:17 Earth 0.317163765607979 0.104944959062383 0.541485497381206 18.8771285494772 18.8766835105733 2458420.206847639 11237.1024799248 11318268.7659655 46.6896227405104 11.4817906976436 222786.941885748 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 07:58:02 2018-Dec-11 15:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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