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(2012 KX)
Classification: Amor [NEO]          SPK-ID: 3604235
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 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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