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200P/Larsen
Classification: Jupiter-family Comet          SPK-ID: 1000169
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.


Orbital Elements at Epoch 2454483.5 (2008-Jan-18.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3332287877864057 6.1146e-07  
a 4.90749111112569 1.1674e-07 au
q 3.272173797092715 2.976e-06 au
i 12.12106254382436 4.1804e-05 deg
node 234.8187681454415 0.00015013 deg
peri 133.6966066152785 0.00020902 deg
M 340.0528836791423 7.3254e-05 deg
tp 2454703.521605199565
(2008-Aug-25.02160520)
0.00081352 TDB
period 3970.888653665687
10.87
0.00014169
3.879e-07
d
yr
n .09065980726195119 3.235e-09 deg/d
Q 6.542808425158666 1.5564e-07 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      8082 days (22.13 yr)  
   first obs. used      1997-11-03  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 23:13:47  

Additional Information
 Earth MOID = 2.28799 au 
 Jupiter MOID = .0954021 au 
 T_jup = 2.851 
[ 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 4.2   2. 43 2 parameter fit from 229 observations, autocmod 2.9b
comet total magnitude slope K1 22.5   n/a 43 autocmod 2.9b
comet nuclear magnitude M2 14.1   0.8 43 from 212 observations, autocmod 2.9b
comet nuclear magnitude slope K2 5.   n/a 43 autocmod 2.9b
comet nuclear phase coefficient PC 0.03   n/a 43 autocmod 2.9b

[ 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
1903-Dec-24 13:27 1_15:25 Jupiter 1.41589968401079 1.41522786818658 1.41657183056666 3.71446015941135 3.54975633369446 2416473.060290726 2365.44866515454 48396.1335391687 501.892870386094 -46.5676925072816 164741.433832148 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
1906-Nov-20 13:55 1_17:53 Jupiter 1.70164686776921 1.69967465418494 1.70361944446852 3.13400434945952 2.97093429800089 2417535.079984956 2512.71453779322 106253.884343483 1005.81662505587 23.0585144970142 113865.941145419 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
1918-Apr-26 08:17 08:47 Jupiter 1.33018920480306 1.32723072948304 1.33314762824896 7.64873118518271 7.56502160252731 2421709.844818689 526.836655342825 146928.067973941 359.700138263168 5.66941789556121 36773.8538978033 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
1995-Feb-09 15:05 00:06 Jupiter 0.350500048222701 0.350483509655339 0.350516586950587 5.63648432954379 5.19006090582645 2449758.128153813 6.24377363654759 960.567071465854 487.548870650022 38.4443752057766 77193.262192823 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2121-Jun-16 09:34 00:13 Jupiter 1.31057688611391 1.31054735971951 1.31060641336519 6.01469574350343 5.9062653142292 2495905.898787897 13.3403543577944 2392.82289790856 648.630393111761 56.1763753118639 197657.533134316 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2132-Jan-05 18:47 00:18 Jupiter 1.09274487829357 1.09272763968844 1.09276211722672 4.4420153172316 4.26394585582775 2499761.282922192 18.2325990684244 1484.86435122819 483.630212386226 -61.9831398130589 173933.792641277 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2142-Mar-03 20:19 00:17 Jupiter 1.52876593951869 1.52875159547766 1.52878028363047 5.57824931109633 5.47802451849758 2503471.346526840 16.7463577325741 1131.85617624899 539.169575244467 -64.5332577616851 186328.873177968 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2147-Jun-23 20:57 00:26 Jupiter 1.52026573648243 1.52025839049103 1.52027308253554 3.56726914991351 3.40750652067649 2505409.373158498 26.3423522173053 957.758470441038 366.328741018906 -76.7818270291546 752108.231332874 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2152-Mar-25 15:00 00:19 Jupiter 1.75764392302853 1.75763883044665 1.75764901563139 4.78364979084628 4.68182544465847 2507146.125132010 19.0237714035895 1104.13495846067 235.044393893011 -84.3297469720734 625960.840919251 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2160-Jul-25 13:43 00:11 Jupiter 0.817292774928954 0.817272567499145 0.817312983572981 3.55594040921963 3.25145512675861 2510190.071363526 10.9462721628847 2001.58312869052 299.68616398236 58.2360335139861 364730.264984605 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2172-Jan-13 04:21 00:22 Jupiter 1.18005858230863 1.18002678990494 1.1800903759695 3.3013763973909 3.07628444789727 2514378.681044644 22.2207137381837 2795.46280141295 703.516682212385 59.8102923216909 134269.985944953 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2188-Feb-07 13:46 00:35 Jupiter 1.48166707567857 1.48165330984178 1.48168084150794 4.19464111896949 4.05606668502981 2520248.073466940 35.3011294608127 904.775515110622 663.517764208696 -83.2054474852203 229694.7504257 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13
2191-Oct-09 17:44 00:57 Jupiter 1.87106438722824 1.87103984066703 1.87108893377041 3.03811628838901 2.88526593024703 2521588.238582303 57.157070142607 1187.57941325884 770.961170361912 -12.3732870032916 182373.08867006 T 43 CATAB v2.0f-lin.ifort 2021-Mar-17 23:13:49 2021-Mar-17 23:13

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.6   200P/2008 L1       
 1997.8   200P/1997 V1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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