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 ]  
C/2020 W5 (Lemmon)
Classification: Hyperbolic Comet          SPK-ID: 1003754
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ hide orbit diagram ]

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 2459184.5 (2020-Dec-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000959428016853 0.00079452  
a -3506.449323365508 2903.4 au
q 3.364185720512125 0.00034121 au
i 88.58638340907569 0.0093463 deg
node 75.51260802233716 0.0045655 deg
peri 24.48488838540301 0.013981 deg
M 4.156760521243487E-6 5.4164e-06 deg
tp 2459183.624306187982
(2020-Nov-30.12430619)
0.064626 TDB
period n/a
n/a
n/a
n/a
d
yr
n 4.746819566606741E-6 5.8957e-06 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      49 days  
   first obs. used      2020-11-20  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .41617  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:34:15  

Additional Information
 Earth MOID = 2.44828 au 
 Jupiter MOID = 1.51859 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.2   0.7 2 from 37 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 2 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-30 11:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin