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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 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 9.935632107744505E-7 2.275516693710298E-8 3.108518298299827E-5 -1.656671172596655E-7 2.623808931533801E-5 4.809457082825893E-5
q 2.275516693710298E-8 5.220016137707503E-10 7.124048661891577E-7 -3.801913664996807E-9 6.014595845094929E-7 1.101493898570913E-6
tp 3.108518298299827E-5 7.124048661891577E-7 .0009728172808488648 -5.187204743898981E-6 .0008212049166596897 .001504711873306585
node -1.656671172596655E-7 -3.801913664996807E-9 -5.187204743898981E-6 2.779007814433583E-8 -4.379675471740129E-6 -8.019143022273352E-6
peri 2.623808931533801E-5 6.014595845094929E-7 .0008212049166596897 -4.379675471740129E-6 .0006932442336933795 .001270082712155934
i 4.809457082825893E-5 1.101493898570913E-6 .001504711873306585 -8.019143022273352E-6 .001270082712155934 .002328081701675344

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  

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