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187P/LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1000262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455601.5 (2011-Feb-09.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731823615852687 4.3785e-07  
a 4.493527533923177 1.4513e-07 au
q 3.715327823749933 1.964e-06 au
i 13.65508613815119 1.5801e-05 deg
node 111.7360928195993 9.8567e-05 deg
peri 134.7358165923954 0.00017045 deg
M 86.85610092326647 7.4424e-05 deg
tp 2454762.083761668765
(2008-Oct-22.58376167)
0.00073722 TDB
period 3479.201145193197
9.53
0.00016856
4.615e-07
d
yr
n .1034720284848634 5.0129e-09 deg/d
Q 5.271727244096422 1.7027e-07 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-09-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .79844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:48  

Additional Information
 Earth MOID = 2.71922 au 
 Jupiter MOID = .21686 au 
 T_jup = 2.937 
[ 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 7.3   0.9 41 from 159 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 16.75   n/a 41 autocmod 2.9c
comet nuclear magnitude M2 13.9   0.8 41 from 93 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 41 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 41 autocmod 2.9c

[ 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
1924-Jun-25 06:16 00:06 Jupiter 1.55136299473677 1.55135783533735 1.55136815414299 4.14711780122573 4.01330462487106 2423961.761027477 5.86941122227095 335.517311050791 151.727884128292 48.1146917773002 596655.267140529 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27
1930-Sep-24 01:32 00:06 Jupiter 1.13275519388712 1.13273756723181 1.13277282053683 6.05530096371446 5.93052790735706 2426243.563567049 6.4571631606337 870.014263098736 303.9109365151 5.7915955273808 150785.672217785 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27
1970-Jun-11 19:59 00:14 Jupiter 1.89528139594636 1.89527727894781 1.89528551294976 4.01383218604422 3.90090071496833 2440749.332712478 13.818837194625 502.996040998029 159.608568769739 -83.4480579072641 381878.542490763 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27
2011-Mar-12 08:16 00:04 Jupiter 1.81070470344899 1.81068358453692 1.81072582249169 6.64153672713632 6.57072582567515 2455632.844767061 4.34239765982169 1323.60965707064 282.912179543005 39.6353806824753 462095.719547095 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27
2017-Sep-12 08:07 00:02 Jupiter 1.77289745128718 1.77289429650924 1.7729006060635 3.53299988053807 3.39507949002838 2458008.837861069 2.38488521079158 382.495648714381 132.170675399888 -88.8783544955315 520244.663495226 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27
2068-May-14 10:11 00:34 Jupiter 1.01994255044942 1.01992618484415 1.01995891996623 3.81093306107135 3.58640332290073 2476515.924143687 34.1313759130648 3469.56247624835 195.222231344607 -77.5058086951131 377803.981945776 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27
2073-Jan-19 15:08 00:13 Jupiter 0.356142071474588 0.356098608581362 0.356185543147377 3.73881134061468 3.03678367354389 2478227.130384837 12.5664046618928 3858.26112738029 218.287772902156 -49.891304811246 267427.680110371 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27
2163-Jan-14 00:12 08:20 Jupiter 0.867132174632057 0.865152967008357 0.869111855074094 4.90219098709421 4.69870817106237 2511092.508327465 500.026373517324 103879.600436754 420.268953199644 23.1655953344304 76925.2830895344 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27
2174-Jul-13 23:25 23:00 Jupiter 0.684685336420664 0.678611279216213 0.69075692392074 4.64641926050417 4.3720723878239 2515291.475575728 1379.96922630164 294866.432805088 1469.59111160709 7.07224592058513 6204.46497983581 T 41 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:49 2021-Apr-15 23:27

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.8   187P/2007 E3       
 1999.3   187P/1999 J5       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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