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/2001 W2 (BATTERS)
Classification: Halley-type Comet* [NEO]          SPK-ID: 1000362
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2452248.5 (2001-Dec-05.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9413747812522384 1.0449e-05  
a 17.92855034426878 0.0032061 au
q 1.051065185763014 1.5727e-06 au
i 115.9130793147368 0.00010893 deg
node 113.3558524952364 0.00011276 deg
peri 142.0857916096556 0.0003229 deg
M 359.7543772264125 6.394e-05 deg
tp 2452267.418309224297
(2001-Dec-23.91830922)
0.00017795 TDB
period 27727.84958525995
75.91
7.4376
0.02036
d
yr
n .01298333644277178 3.4826e-06 deg/d
Q 34.80603550277455 0.0062242 au
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      198 days  
   first obs. used      2001-11-21  
   last obs. used      2002-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .58196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:11  

Additional Information
 Earth MOID = .145587 au 
 Jupiter MOID = .882737 au 
 T_jup = -0.257 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.1   0.7 23 2 parameter fit from 89 observations, autocmod 2.9c
comet total magnitude slope K1 10.75   n/a 23 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2002.0   C/2001 W2       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-18 21:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin