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 J1 (SONEAR)
Classification: Hyperbolic Comet          SPK-ID: 1003683
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459042.5 (2020-Jul-12.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000439836448559 6.7709e-05  
a -7628.911503966833 1174.3 au
q 3.355473342275206 6.5404e-05 au
i 142.3035278791451 5.8812e-05 deg
node 226.5539831099857 0.00042519 deg
peri 341.7021698324179 0.0025608 deg
M -.0004148560017613679 9.5771e-05 deg
tp 2459322.970487365230
(2021-Apr-18.47048737)
0.010716 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.479143155697307E-6 3.4152e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      156 days  
   first obs. used      2020-05-01  
   last obs. used      2020-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .38408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-18 17:46:28  

Additional Information
 Earth MOID = 2.36472 au 
 Jupiter MOID = 1.88971 au 
 T_jup = -1.797 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 5.3   0.4 16 2 parameter fit from 186 observations, autocmod 2.8
comet total magnitude slope K1 12.75   n/a 16 autocmod 2.8
comet nuclear magnitude M2 10.0   0.2 16 from 11 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 16 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 16 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 17:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin