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P/2019 LM4 (Palomar)
Classification: Jupiter-family Comet          SPK-ID: 1003684
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 2458962.5 (2020-Apr-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5852049454946888 2.024e-05  
a 5.71754941121611 0.00032153 au
q 2.371611219662196 2.7737e-05 au
i 36.39476118828992 7.9274e-05 deg
node 72.85836955452187 7.6859e-05 deg
peri 68.37085088280203 0.0019094 deg
M 22.3314209456623 0.0022369 deg
tp 2458652.738688867197
(2019-Jun-18.23868887)
0.0064192 TDB
period 4993.595001372709
13.67
0.42122
0.001153
d
yr
n .0720923502809175 6.0812e-06 deg/d
Q 9.063487602770024 0.00050968 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      378 days (1.03 yr)  
   first obs. used      2019-06-04  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .50974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:56  

Additional Information
 Earth MOID = 1.60368 au 
 Jupiter MOID = .379762 au 
 T_jup = 2.278 
[ 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 13.4   0.9 12 2 parameter fit from 225 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 12 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
2007-Jun-28 07:34 21:02 Jupiter 0.355200108893023 0.35505879897719 0.355445981014778 11.5256107088058 11.316820789296 2454279.815528705 1262.29785575598 426320.787912759 5867.12476455058 -89.0397652733461 9255.17478694085 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:57 2021-Apr-15 23:33
2059-May-10 09:33 4_01:33 Jupiter 1.79283223361939 1.77726455941241 1.80872688522832 14.203289409661 14.1699869885882 2473223.897709576 5853.1884020239 1441065.1125589 7196.2204106469 57.0967636981526 26712.3539501481 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:57 2021-Apr-15 23:33
2090-Feb-01 10:30 2_21:38 Jupiter 1.67205014170595 1.63137592326961 1.71295251934435 8.58204537482805 8.52281340739251 2484448.937365281 4177.73561427712 2256658.8747363 8778.27854990915 25.2115687224548 16956.6243322372 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:57 2021-Apr-15 23:33
2154-Apr-06 20:18 5_16:33 Jupiter 1.74033164560248 1.72340606596821 1.7578461734776 13.8036451910933 13.7683411128558 2507888.345779086 8192.99597221706 1814660.01097496 7372.05087320859 61.8330531915791 26971.1239999848 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:57 2021-Apr-15 23:33
2197-Jul-16 09:20 6_14:50 Jupiter 1.20472783589909 1.14519933561255 1.26436015452711 13.8885584087035 13.837842699676 2523694.888747424 9529.58104834688 3023097.78458123 6085.04830262853 11.0963899128573 4776.4442540484 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:57 2021-Apr-15 23:33

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.5   P/2019 LM4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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