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/2003 R1 (LINEAR)
Classification: Halley-type Comet*          SPK-ID: 1000452
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2452926.5 (2003-Oct-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8933144890077785 2.6279e-05  
a 19.70168491968428 0.0049606 au
q 2.101884323064261 1.1923e-05 au
i 149.1956325485743 7.09e-05 deg
node 356.6890631748591 5.6835e-05 deg
peri 302.6901119594116 0.00088771 deg
M 1.199005579258636 0.00047838 deg
tp 2452820.117012054727
(2003-Jun-29.61701205)
0.0022869 TDB
period 31941.36568069888
87.45
12.063
0.03303
d
yr
n .01127065146802837 4.2566e-06 deg/d
Q 37.3014855163043 0.0093919 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      353 days  
   first obs. used      2003-09-02  
   last obs. used      2004-08-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .61027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:31  

Additional Information
 Earth MOID = 1.25125 au 
 Jupiter MOID = .802704 au 
 T_jup = -1.238 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.6   0.9 15 2 parameter fit from 63 observations, autocmod 2.9c
comet total magnitude slope K1 7.5   n/a 15 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2003.5   C/2003 R1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-18 18:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin