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C/2012 X1 (LINEAR)
Classification: Comet          SPK-ID: 1003224
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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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 2456644.5 (2013-Dec-18.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9895711858626149 3.1132e-06  
a 153.316517184367 0.045884 au
q 1.598909461906966 1.3481e-06 au
i 44.36731679876682 1.3273e-05 deg
node 113.1464195840937 1.6481e-05 deg
peri 132.1137001863842 8.0334e-05 deg
M 359.9659241781679 1.5367e-05 deg
tp 2456710.133517871476
(2014-Feb-21.63351787)
0.00014346 TDB
period 693396.8181358965
1898.42
311.27
0.8522
d
yr
n .0005191832304160427 2.3307e-07 deg/d
Q 305.0341249068271 0.091289 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.613200618431053E-8 7.038E-10
A2 [EST] 2.190183669197523E-9 8.502E-10
A3 [EST] 5.328130630523456E-9 1.629E-10
DT [EST] 25.92027812999656 2.307
  Orbit Determination Parameters
   # obs. used (total)      2560  
   data-arc span      1038 days (2.84 yr)  
   first obs. used      2012-12-08  
   last obs. used      2015-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .45893  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-31 15:04:22  

Additional Information
 Earth MOID = .751502 au 
 Jupiter MOID = 1.06571 au 
 T_jup = 1.152 
[ hide covariance matrix ]
Orbit Covariance (10×10)
  e q tp node peri i A1 A2 A3 DT
e 9.691734822453078E-12 3.783892245404238E-12 -4.196916618552883E-10 -1.446362590596552E-11 -2.363630860616686E-10 9.703275976501869E-12 -1.794773154035011E-15 -2.085064909741153E-15 2.770649751101157E-16 4.076058550319313E-6
q 3.783892245404238E-12 1.817305777745642E-12 -1.614962155891165E-10 -5.291087016807596E-12 -9.560611422335758E-11 4.058918995287519E-12 -7.030188341161619E-16 -8.421027021904481E-16 1.058383895086216E-16 2.281954325882552E-6
tp -4.196916618552883E-10 -1.614962155891165E-10 2.057969694453473E-8 4.443545647271447E-10 1.122157745078271E-8 -5.018069297080871E-10 9.197903637879164E-14 8.196290615035788E-14 -1.173590572462212E-14 -.0001162750399990829
node -1.446362590596552E-11 -5.291087016807596E-12 4.443545647271447E-10 2.716180443896294E-10 8.548599710422807E-11 7.902298582549477E-11 9.695315618941271E-16 6.775392637841248E-15 -1.687378958156382E-15 -1.136296880007342E-5
peri -2.363630860616686E-10 -9.560611422335758E-11 1.122157745078271E-8 8.548599710422807E-11 6.453611660250833E-9 -3.451268959419067E-10 5.202451287945051E-14 4.31375788581511E-14 -5.527528564752429E-15 -7.696196143894987E-5
i 9.703275976501869E-12 4.058918995287519E-12 -5.018069297080871E-10 7.902298582549477E-11 -3.451268959419067E-10 1.761780810296044E-10 -2.442782247968777E-15 1.683710223513114E-16 2.332516983970491E-16 2.542671265598976E-6
A1 -1.794773154035011E-15 -7.030188341161619E-16 9.197903637879164E-14 9.695315618941271E-16 5.202451287945051E-14 -2.442782247968777E-15 4.953559467622007E-19 2.550560699760574E-19 -4.410019626116228E-20 -1.817805460813616E-10
A2 -2.085064909741153E-15 -8.421027021904481E-16 8.196290615035788E-14 6.775392637841248E-15 4.31375788581511E-14 1.683710223513114E-16 2.550560699760574E-19 7.228328190771952E-19 -8.669156136318693E-20 -1.369000560036227E-9
A3 2.770649751101157E-16 1.058383895086216E-16 -1.173590572462212E-14 -1.687378958156382E-15 -5.527528564752429E-15 2.332516983970491E-16 -4.410019626116228E-20 -8.669156136318693E-20 2.654802452439192E-20 1.334857780990768E-10
DT 4.076058550319313E-6 2.281954325882552E-6 -.0001162750399990829 -1.136296880007342E-5 -7.696196143894987E-5 2.542671265598976E-6 -1.817805460813616E-10 -1.369000560036227E-9 1.334857780990768E-10 5.324058818426486

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 5.7   01. 65 2 parameter fit from 365 observations, autocmod 2.6k
comet total magnitude slope K1 14.   n/a 65 autocmod 2.6k
comet nuclear magnitude M2 10.8   0.9 65 from 1961 observations, autocmod 2.6k
comet nuclear magnitude slope K2 5.   n/a 65 autocmod 2.6k
comet nuclear phase coefficient PC 0.03   n/a 65 autocmod 2.6k

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.1   C/2012 X1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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