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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 2454382.5 (2007-Oct-09.0) TDB
Reference: JPL 122 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5960872429177333 3.0086e-08  
a 3.050125964918546 1.4089e-08 au
q 1.231984787938459 9.2009e-08 au
i 27.82664613395114 6.8028e-06 deg
node 31.26135952828848 7.8218e-06 deg
peri 356.3730265286378 1.2576e-05 deg
M 196.8543965676426 2.8984e-06 deg
tp 2455264.255066330837
(2010-Mar-08.75506633)
2.02e-05 TDB
period 1945.696465002892
5.33
1.3481e-05
3.691e-08
d
yr
n .1850237210558251 1.2819e-09 deg/d
Q 4.868267141898633 2.2487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2194  
   data-arc span      11165 days (30.57 yr)  
   first obs. used      1990-03-23  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-18 17:46:45  

Additional Information
 Earth MOID = .237703 au 
 Jupiter MOID = .58314 au 
 T_jup = 2.793 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 9.051690970645871E-16 -2.762890678507311E-15 -1.763372993666369E-13 1.037913684865528E-13 -2.001729567016979E-13 -6.07380968871204E-14
q -2.762890678507311E-15 8.465680792730352E-15 6.30986898997199E-13 -3.144240038786559E-13 6.257798201494977E-13 1.878891660065945E-13
tp -1.763372993666369E-13 6.30986898997199E-13 4.080424490947273E-10 -1.605725551020963E-11 1.698503765458294E-10 1.685337770655081E-11
node 1.037913684865528E-13 -3.144240038786559E-13 -1.605725551020963E-11 6.118093112472257E-11 -5.848902684294814E-11 -6.41772476826296E-12
peri -2.001729567016979E-13 6.257798201494977E-13 1.698503765458294E-10 -5.848902684294814E-11 1.581670003236443E-10 9.135038239931786E-12
i -6.07380968871204E-14 1.878891660065945E-13 1.685337770655081E-11 -6.41772476826296E-12 9.135038239931786E-12 4.62785840086214E-11

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   0.6 122 2 parameter fit from 690 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 122 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.]

[ 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
1910-Nov-22 18:47 < 00:01 Jupiter 0.973217194539833 0.973204662084184 0.973229726996644 6.81808059764077 6.68921206976884 2418998.282558506 0.344497110635317 627.23063152077 39.4621492679508 9.48871303419414 496419.412435169 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
1913-Oct-27 12:39 < 00:01 Earth 0.491641491152383 0.491608011845017 0.491674974454069 17.6736223991191 17.6733157497855 2420068.026980236 0.665012238863317 2769.9952355275 35.0536183272426 52.9404098755467 1585173.78726705 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
1922-Aug-24 23:14 00:02 Jupiter 1.37684244483301 1.37682501328644 1.3768598763842 8.17649396678835 8.10090547432617 2423291.468286534 1.56856867483663 878.429035243349 36.1722729370223 -10.9319132706752 738542.892121892 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
1970-Mar-17 18:20 < 00:01 Jupiter 0.543696086167507 0.543695797007523 0.54369637532783 6.37843923613913 6.12933055371257 2440663.263862671 0.366655311816927 109.493269140685 13.9569442693135 88.4085696523159 4185601.59144279 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
1972-Oct-28 20:26 < 00:01 Earth 0.475536665890143 0.475533510728068 0.475539821086466 17.9168584045132 17.9165456739861 2441619.351529756 0.091206381719433 258.24716764874 29.010045333036 52.9430809087348 1842194.95671729 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2004-Oct-30 11:23 < 00:01 Earth 0.439249444476923 0.439249149661953 0.439249739292167 18.1939583912888 18.193624981829 2453308.974448137 0.0430216080444261 37.724877705572 12.7325515603465 -78.0561729739608 5094413.40754438 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2017-Sep-20 03:45 < 00:01 Jupiter 1.31507225750148 1.31507032018405 1.31507419481914 7.85797957357267 7.77558143098841 2458016.656455370 0.302376492659692 102.470709614683 36.3525513923872 21.9120065548282 2050038.66334947 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2029-Jun-29 19:19 < 00:01 Jupiter 1.00449258037387 1.00449105328907 1.0044941074594 7.04869296485802 6.92803031721283 2462317.304911995 0.383261790691161 88.6832789990195 26.1785224184672 -32.9007381113704 2609773.65307849 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2031-Oct-21 08:53 < 00:01 Earth 0.245595057893103 0.245593230467824 0.245596885502087 15.9412927985248 15.9406122196483 2463160.870121364 0.164643861939379 353.325022991225 17.5928615225497 -75.3221473207683 1949762.74702839 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2076-Dec-19 03:07 < 00:01 Jupiter 0.579197252102909 0.579196247807669 0.579198256402988 6.39456435745069 6.16162624154686 2479656.629747505 0.367691697525036 101.300826806124 12.9101762768471 -61.4860335403162 3957754.37982298 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2124-Jun-03 15:26 < 00:01 Jupiter 0.638908726563662 0.63889851337939 0.638918939949534 6.39301746770161 6.18216838382407 2496989.142748516 0.322425338382312 768.729281365981 14.7382829734589 -48.8679777373466 3379813.37356282 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2147-Oct-16 04:14 00:16 Earth 0.204800191482887 0.204610125131326 0.20499042875883 17.2462597875552 17.2455053964255 2505523.676148328 16.4444022841761 13302.6046118366 21.1207471339121 -44.5374729492474 970059.021456828 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2160-Feb-10 09:52 00:09 Jupiter 1.33415611922264 1.33407979482535 1.33423244358771 8.49135828967357 8.41625898955824 2510023.911430310 8.75060059610937 3791.63791527511 37.2517521997883 5.12926738768681 326657.850977426 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2171-Nov-06 13:36 00:05 Jupiter 1.59023600253123 1.59017127666699 1.59030072835797 8.11632716582876 8.05043400411097 2514311.066421816 4.73872251327936 3204.25698153067 28.7157100720606 3.33520539474531 300707.325139607 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47
2199-Nov-09 21:14 00:02 Earth 0.414977196832018 0.414959864859972 0.414994530527905 19.0082139086823 19.0078761156615 2524541.384391553 1.70354511663197 1590.07589991703 32.0824700541748 57.0915519576292 1463736.87302703 T 122 CATAB v2.0f-lin.ifort 2020-Oct-18 17:46:54 2020-Oct-18 17:47

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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