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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
C/2007 W1 (Boattini)
Classification: Hyperbolic Comet          SPK-ID: 1002487
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454612.5 (2008-May-26.0) TDB
Reference: JPL 61 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000191841611794 4.1198e-06  
a -4429.236716961684 95.122 au
q .8497119107994742 9.2182e-07 au
i 9.889868093013884 4.2457e-05 deg
node 334.5298113113664 0.00013393 deg
peri 306.5474666634279 0.00014883 deg
M -9.994106017436343E-5 3.219e-06 deg
tp 2454642.390502443417
(2008-Jun-24.89050244)
0.0001689 TDB
period n/a
n/a
n/a
n/a
d
yr
n 3.343572439558445E-6 1.0771e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      279 days  
   first obs. used      2007-11-20  
   last obs. used      2008-08-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   norm. resid. RMS      .93619  
   source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:44:06  

Additional Information
 Earth MOID = .017834 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.0   1. 61 from 132 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 15.   n/a 61 autocmod 2.5c
comet nuclear magnitude M2 16.9   1. 61 from 921 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 61 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 61 autocmod 2.5c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-06 09:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin