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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
C/2017 U2 (Fuls)
Classification: Hyperbolic Comet          SPK-ID: 1003544
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458097.5 (2017-Dec-10.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000012373315265 8.7868e-05  
a -541554.4984547712 3.8458e+06 au
q 6.700824542584891 5.9893e-05 au
i 95.43408553536807 0.00019119 deg
node 149.7108386702126 9.3057e-05 deg
peri 147.7270808345425 0.0029372 deg
M 2.568962138707221E-7 2.7365e-06 deg
tp 2457993.623602091978
(2017-Aug-28.12360209)
0.035977 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.473095130793739E-9 2.6344e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      416 days (1.14 yr)  
   first obs. used      2017-07-26  
   last obs. used      2018-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .42476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:37  

Additional Information
 Earth MOID = 5.82645 au 
 Jupiter MOID = 2.16516 au 
 T_jup = -0.303 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 7.72072841912466E-9 3.697702732897677E-9 -2.128019808172706E-6 -3.168171886820507E-9 -1.76081678759025E-7 -2.747811739638353E-9
q 3.697702732897677E-9 3.587114697961941E-9 4.321676867982702E-8 -1.519689500327842E-9 1.749450991064723E-9 -3.830636172270221E-9
tp -2.128019808172706E-6 4.321676867982702E-8 .001294332471892991 9.189487712697578E-7 .0001056525833834289 -7.345684188109387E-7
node -3.168171886820507E-9 -1.519689500327842E-9 9.189487712697578E-7 8.659561957542896E-9 7.652961868138187E-8 -1.258744551582178E-8
peri -1.76081678759025E-7 1.749450991064723E-9 .0001056525833834289 7.652961868138187E-8 8.627233116736557E-6 -5.945537344446485E-8
i -2.747811739638353E-9 -3.830636172270221E-9 -7.345684188109387E-7 -1.258744551582178E-8 -5.945537344446485E-8 3.655464599899868E-8

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.3   0.5 11 from 46 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 12.   n/a 11 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 08:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin