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P/2019 LD2 (ATLAS)
Classification: Jupiter-family Comet          SPK-ID: 1003688
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458801.5 (2019-Nov-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385866863876616 1.2516e-05  
a 5.314641383880514 9.6402e-05 au
q 4.578102845149777 1.6868e-05 au
i 11.5261149720956 2.3293e-05 deg
node 179.9960074230027 0.00024351 deg
peri 123.1256674878641 0.0024946 deg
M 348.1205348649857 0.0021826 deg
tp 2458949.173905525677
(2020-Apr-09.67390553)
0.023311 TDB
period 4475.168316505154
12.25
0.12176
0.0003334
d
yr
n .08044390166784589 2.1887e-06 deg/d
Q 6.051179922611251 0.00010976 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      784 days (2.15 yr)  
   first obs. used      2018-05-21  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .57428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-20 08:42:46  

Additional Information
 Earth MOID = 3.58166 au 
 Jupiter MOID = .041516 au 
 T_jup = 2.940 
[ 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
absolute magnitude H 12.2   .83056 MPO504266 autocmod 2.8
comet total magnitude M1 6.9   0.7 16 from 199 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 13.25   n/a 16 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
1911-Jun-24 12:17 4_00:55 Jupiter 1.8694770858989 1.83592357364701 1.90301602547831 6.43913410958675 6.3683819181047 2419212.011856481 5814.87080906323 1652115.04407423 13562.0107864962 -2.66753232486114 583.417800255249 T 16 CATAB v2.0f-lin.ifort 2020-Jul-20 08:42:47 2020-Jul-20 08:42
2017-Feb-17 06:15 00:29 Jupiter 0.0920152350384883 0.0918161928581732 0.092214454166084 5.22021322756668 2.9732376179435 2457801.760753913 28.8855373281624 13078.3513150141 323.974726678534 35.8522064335859 44486.5008947047 T 16 CATAB v2.0f-lin.ifort 2020-Jul-20 08:42:47 2020-Jul-20 08:42
2028-May-13 13:16 14:07 Jupiter 0.119353473638834 0.118261515519973 0.120464819315234 4.6302025654396 2.69170265812449 2461905.052603090 847.194390477655 121697.269832701 1740.55474752727 -55.4742441543979 14060.8468264247 T 16 CATAB v2.0f-lin.ifort 2020-Jul-20 08:42:47 2020-Jul-20 08:42

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.3   P/2019 LD2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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