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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.


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Orbital Elements at Epoch 2454461.5 (2007-Dec-27.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3332444293860415 6.1151e-07  
a 4.90767838556881 1.1669e-07 au
q 3.272221902359723 2.9758e-06 au
i 12.1210582408734 4.1804e-05 deg
node 234.8196348909933 0.00015012 deg
peri 133.690307828843 0.00020902 deg
M 338.0621926868761 7.3198e-05 deg
tp 2454703.493268445084
(2008-Aug-24.99326845)
0.00081353 TDB
period 3971.115955062361
10.87
0.00014164
3.878e-07
d
yr
n .09065461801513844 3.2334e-09 deg/d
Q 6.543134868777898 1.5558e-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      .67128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-09 08:46:01  

Additional Information
 Earth MOID = 2.28868 au 
 Jupiter MOID = .0954587 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 10.7   1. 42 from 221 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 10.   n/a 42 autocmod 2.8
comet nuclear magnitude M2 14.1   0.8 42 from 212 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 42 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 42 autocmod 2.8

[ 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 13:29 1_15:25 Jupiter 1.41589905470746 1.41522722737235 1.41657121277666 3.71446007860013 3.54975617423201 2416473.061760111 2365.47038914057 48396.6151956092 501.897548063223 -46.5673348441654 164739.643854427 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
1906-Nov-20 13:53 1_17:53 Jupiter 1.70164505813317 1.69967282419151 1.7036176552125 3.1340042649423 2.97093403066638 2417535.078503640 2512.75035000541 106255.29388554 1005.81011995171 23.0589112885762 113869.007160817 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
1918-Apr-26 08:16 08:47 Jupiter 1.33018655810292 1.3272280825443 1.33314498178708 7.64872522475024 7.56501540866018 2421709.844513485 526.836609561206 146928.076926854 359.700369975665 5.66941821704219 36773.7704226499 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
1995-Feb-09 15:05 00:06 Jupiter 0.350500044790166 0.350483506222866 0.35051658351799 5.63648430544497 5.1900608750948 2449758.128160181 6.24377355249704 960.567097886768 487.548860943212 38.444378063872 77193.2651779773 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2121-Jun-16 09:34 00:13 Jupiter 1.31057687378016 1.31054734738328 1.31060640103384 6.01469578664105 5.90626535712897 2495905.898802298 13.3403538866547 2392.8229711023 648.630400112315 56.1763726458137 197657.522777812 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2132-Jan-05 18:47 00:18 Jupiter 1.09274482075309 1.09272758214782 1.0927620596864 4.44201527605462 4.26394580335878 2499761.282945028 18.2325974727068 1484.86420195825 483.630189958323 -61.9831349920271 173933.798156312 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2142-Mar-03 20:19 00:17 Jupiter 1.52876589881259 1.52875155477202 1.52878024292389 5.5782491954234 5.47802439801524 2503471.346549355 16.7463564588364 1131.85608990482 539.169561992396 -64.5332567651815 186328.874350809 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2147-Jun-23 20:57 00:26 Jupiter 1.52026576713839 1.52025842114952 1.52027311318897 3.56726904255935 3.40750641158609 2505409.373080998 26.3423544998909 957.758478553442 366.328554497637 -76.7818223570405 752107.619951957 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2152-Mar-25 15:00 00:19 Jupiter 1.757643909914 1.75763881733146 1.75764900251753 4.78364990064104 4.68182555607312 2507146.125177973 19.0237701976068 1104.13498095399 235.044424846354 -84.329747636119 625960.645355602 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2160-Jul-25 13:43 00:11 Jupiter 0.817292856561185 0.817272649128661 0.817313065207928 3.55594024162204 3.25145497530257 2510190.071348527 10.9462749052332 2001.58326050609 299.686241689231 58.2360318027258 364730.119443288 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2172-Jan-13 04:21 00:22 Jupiter 1.18005847397813 1.18002668157535 1.1800902676381 3.30137632177406 3.0762843453279 2514378.681085292 22.2207119517868 2795.46323059703 703.516313403759 59.8102954765286 134270.021456293 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2188-Feb-07 13:46 00:35 Jupiter 1.48166711341062 1.48165334757946 1.48168087923437 4.19464101902476 4.05606658525971 2520248.073374098 35.3011251106556 904.77525506888 663.517504287755 -83.2054807419515 229694.840602417 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46
2191-Oct-09 17:44 00:57 Jupiter 1.8710644081074 1.87103986154953 1.87108895464623 3.03811635758251 2.88526600485698 2521588.238662336 57.1570550508497 1187.5791304608 770.961243986092 -12.3732449250979 182373.047367916 T 42 CATAB v2.0f-lin.ifort 2020-Jan-09 08:46:09 2020-Jan-09 08:46

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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