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(2012 KX)
Classification: Amor [NEO]          SPK-ID: 3604235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]
Orbit Diagram
[ switch to new HTML5 viewer ]

Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5686168795665042 0.00014251  
a 2.450462909881681 0.00083141 au
q 1.057088336571304 9.4402e-06 au
i 3.230126511931362 0.00060993 deg
node 102.3929399175721 0.00068413 deg
peri 136.1547336362159 0.0002695 deg
M 33.53753228747751 0.38108 deg
tp 2458869.973338530199
(2020-Jan-21.47333853)
1.4167 TDB
period 1401.104819708927
3.84
0.71306
0.001952
d
yr
n .2569400910881089 0.00013076 deg/d
Q 3.843837483192057 0.0013042 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      42 days  
   first obs. used      2012-05-16  
   last obs. used      2012-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .3579  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:49:48  

Additional Information
 Earth MOID = .0583697 au 
 Jupiter MOID = 1.18293 au 
 T_jup = 3.251 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456080.5 (2012-Jun-02.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5695597812831193 0.00014183  
q 1.055110582959293 9.3955e-06 au
tp 2456067.892621827863
(2012-May-20.39262183)
0.00037857 TDB
node 102.4342000279657 0.00067733 deg
peri 136.1324619658838 0.00047408 deg
i 3.228398264167937 0.00060892 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      42 days  
   first obs. used      2012-05-16  
   last obs. used      2012-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .3579  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:49:48  

Additional Information
 Jupiter MOID = 1.18293 au 
 T_jup = 3.251 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.011666358732282E-8 1.332570570441381E-9 5.350660238377734E-8 9.524652046288079E-8 -6.531955718348966E-8 8.635544892542743E-8
q 1.332570570441381E-9 8.827610740552898E-11 3.545983996328636E-9 6.306586556964505E-9 -4.32238183810317E-9 5.720728330833307E-9
tp 5.350660238377734E-8 3.545983996328636E-9 1.433182970211993E-7 2.516807761828177E-7 -1.709754939775545E-7 2.298721300772446E-7
node 9.524652046288079E-8 6.306586556964505E-9 2.516807761828177E-7 4.58775860827296E-7 -3.188921123679952E-7 4.081508861385715E-7
peri -6.531955718348966E-8 -4.32238183810317E-9 -1.709754939775545E-7 -3.188921123679952E-7 2.247523375495544E-7 -2.794816021494549E-7
i 8.635544892542743E-8 5.720728330833307E-9 2.298721300772446E-7 4.081508861385715E-7 -2.794816021494549E-7 3.707775627234221E-7

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 23.5   n/a MPO234434  

[ 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
2012-Jan-29 10:32 01:12 Mars 0.0195483363281505 0.0194507423761872 0.0196479702427226 13.3678468188441 13.3667512170839 2455955.938717732 72.3357734975962 11106.6162516639 30.2259705178594 63.7186508489345 86904.6170607473 T 29 CATAB v2.0e-lin.ifort 2017-Nov-29 06:29:29 2018-Dec-11 15:50
2012-May-26 02:11 < 00:01 Earth 0.0568206969934293 0.0567842683003099 0.0568571255994743 7.09265869389453 7.0860441592615 2456073.591288530 0.102490367879065 1813.15673361026 6.10459076047986 -0.153829828457669 2742.75924063819 T 29 CATAB v2.0e-lin.ifort 2017-Nov-29 06:29:29 2018-Dec-11 15:50
2070-Apr-15 08:57 6_18:25 Earth 0.403279506782151 0.222142336754768 0.58567971222131 15.6531436167441 15.6527215214706 2477216.872835114 9744.61429467064 9133725.19277394 14.5065186749611 -6.33245304872762 382504.555502514 T 29 CATAB v2.0e-lin.ifort 2017-Nov-29 06:29:29 2018-Dec-11 15:50
2084-Jan-07 08:22 8_16:50 Jupiter 1.48464785633773 1.45925092083782 1.50994908815635 4.08158874592642 3.93933053275464 2482231.848270848 12530.4409958238 1115056.44704332 29.3209252205363 8.62194648921636 341945.085177433 T 29 CATAB v2.0e-lin.ifort 2017-Nov-29 06:29:29 2018-Dec-11 15:50
2095-Dec-07 15:00 3_19:41 Jupiter 1.52471435068921 1.52276144044106 1.52666888509788 4.07071619575779 3.93187907139334 2486584.124783233 5500.71288536115 128187.72257332 58.5347707510758 -22.9534310508555 1818597.27936119 T 29 CATAB v2.0e-lin.ifort 2017-Nov-29 06:29:29 2018-Dec-11 15:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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