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162P/Siding Spring
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000525
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 2454334.5 (2007-Aug-22.0) TDB
Reference: JPL 121 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5961126557627628 3.0467e-08  
a 3.050056293722636 1.5976e-08 au
q 1.231879136245706 9.2732e-08 au
i 27.82779877967971 6.9105e-06 deg
node 31.26137433860853 7.8568e-06 deg
peri 356.3771974573759 1.2704e-05 deg
M 187.9606067176029 3.0384e-06 deg
tp 2455264.291584182464
(2010-Mar-08.79158418)
2.2092e-05 TDB
period 1945.62979977642
5.33
1.5287e-05
4.185e-08
d
yr
n .1850300607244857 1.4538e-09 deg/d
Q 4.868233451199567 2.55e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2138  
   data-arc span      11135 days (30.49 yr)  
   first obs. used      1990-03-23  
   last obs. used      2020-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-24 20:19:22  

Additional Information
 Earth MOID = .238093 au 
 Jupiter MOID = .582918 au 
 T_jup = 2.793 
[ 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
comet total magnitude M1 15.1   0.6 121 2 parameter fit from 665 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 121 autocmod 2.8
rotation period rot_per 32.853 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Kokotankekova, R.; Snodgrass, C.; Lacerda, P.; Green S.F.; et al. (2017) Mon. Not. Royal Ast. Soc. 471, 2974-3007.]

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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
1910-Nov-22 18:47 < 00:01 Jupiter 0.973217492247132 0.973203689963469 0.973231294531846 6.81808109620347 6.68921261773702 2418998.282554115 0.345721928584338 690.169406183328 40.5482863998694 9.20078849404083 465477.586930119 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
1913-Oct-27 12:39 < 00:01 Earth 0.491642397618607 0.491605157770381 0.491679642381639 17.6736320820308 17.6733254334306 2420068.026990860 0.735693546460557 3075.6742013654 36.1447657354967 52.8624312329052 1536919.79427473 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
1922-Aug-24 23:14 00:02 Jupiter 1.37684204645106 1.37682292455897 1.37686116834839 8.1764928537857 8.10090432896505 2423291.468306011 1.7226869120155 963.043806181759 36.7662331045958 -10.7636898705229 712085.230897093 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
1970-Mar-17 18:20 < 00:01 Jupiter 0.543696095570326 0.543695783008566 0.543696408132983 6.37843917205123 6.12933049141569 2440663.263870534 0.371400744443374 116.584105724472 14.6651831317695 87.6177426189653 4026637.39111643 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
1972-Oct-28 20:26 < 00:01 Earth 0.475536802611119 0.475533317858693 0.475540287404931 17.9168595403139 17.9165468098964 2441619.351531000 0.0960082153980162 283.86562934111 29.1857988543043 52.6505917134164 1820268.3822969 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2004-Oct-30 11:23 < 00:01 Earth 0.43924944943716 0.439249153378135 0.43924974549646 18.1939581137444 18.1936247042832 2453308.974447581 0.0436480735265528 37.8988143611137 12.775627819138 -78.0325441975014 5083230.60102852 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2017-Sep-20 03:45 < 00:01 Jupiter 1.31507224014617 1.31507029098748 1.31507418930515 7.85797949337965 7.77558134885239 2458016.656452355 0.304345615404226 103.241169112084 36.6334726131384 22.1415014523314 2047789.81942298 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2029-Jun-29 19:19 < 00:01 Jupiter 1.00449262306713 1.00449107025692 1.00449417587802 7.04869292008921 6.92803027683742 2462317.304897339 0.398775694030109 89.3561758652685 27.972257871244 -32.2038029985916 2424011.12371933 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2031-Oct-21 08:53 < 00:01 Earth 0.245595111078073 0.245593050154506 0.245597172227966 15.9412927768551 15.9406121981251 2463160.870117715 0.180831633600511 391.468286867219 18.1697587123671 -75.0082483241683 1888677.43126276 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2076-Dec-19 03:07 < 00:01 Jupiter 0.579197269069777 0.57919620387275 0.579198334272006 6.39456428468364 6.16162617298149 2479656.629744965 0.373374537442393 105.692984840047 13.3634007453342 -60.9253969143764 3825954.17789905 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2124-Jun-03 15:26 < 00:01 Jupiter 0.638908788895468 0.638898263478537 0.638919314525476 6.39301742350174 6.1821683590379 2496989.142745363 0.32359963154486 791.173960563219 15.2096640591736 -48.8023346269363 3284114.75788287 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2147-Oct-16 04:14 00:17 Earth 0.204801097408558 0.204605764828231 0.204996610434823 17.2462692119588 17.2455148245784 2505523.676093656 16.8976519763702 13669.7690423286 22.1453240293451 -44.5307333623881 925911.652814381 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2160-Feb-10 09:52 00:09 Jupiter 1.33415576251336 1.3340773631407 1.33423416185198 8.49135730815312 8.4162579791109 2510023.911395881 8.98455077682959 3894.71019602312 37.7358951686069 5.12828874017936 322455.019660292 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2171-Nov-06 13:36 00:05 Jupiter 1.59023632074081 1.59016979360737 1.59030284783466 8.11632795820631 8.05043481621348 2514311.066409676 4.88451092445168 3293.41428613377 28.7704694829078 3.32805312308681 299369.012663268 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19
2199-Nov-09 21:14 00:02 Earth 0.414977150140197 0.414959397127277 0.414994904975675 19.0082123375102 19.0078745444235 2524541.384385759 1.75074848886713 1633.20704743151 34.5104107842126 57.1955775206341 1368390.61819943 T 121 CATAB v2.0f-lin.ifort 2020-Sep-24 20:19:35 2020-Sep-24 20:19

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2004.9   162P/2004 TU12       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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