Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2458949.5 (2020-Apr-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1360549995700028 5.754e-06  
a 5.299014900675309 4.5819e-05 au
q 4.578057430642492 9.4722e-06 au
i 11.54482080683313 2.1779e-05 deg
node 179.7943699674143 0.00013519 deg
peri 123.4106985797455 0.0014734 deg
M 359.9536307935735 0.0011089 deg
tp 2458950.073876314499
(2020-Apr-10.57387631)
0.013718 TDB
period 4455.445523896743
12.20
0.057788
0.0001582
d
yr
n .08080000037462991 1.048e-06 deg/d
Q 6.019972370708127 5.2053e-05 au
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      890 days (2.44 yr)  
   first obs. used      2018-05-09  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .54475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-18 17:46:38  

Additional Information
 Earth MOID = 3.58131 au 
 Jupiter MOID = .0488208 au 
 T_jup = 2.941 
[ 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 21 from 422 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 13.   n/a 21 autocmod 2.8
comet nuclear magnitude M2 12.0   0.1 21 from 7 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 21 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 21 autocmod 2.8

[ show close-approach data ]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-22 13:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin