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C/2007 W1 (Boattini)
Classification: Hyperbolic Comet          SPK-ID: 1002487
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]
Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2454613.5 (2008-May-27.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000140974438473 3.5438e-06  
a -6027.538445736041 151.53 AU
q .8497288477623686 8.3735e-07 AU
i 9.890074125196522 3.2239e-05 deg
node 334.5304598968891 0.00010038 deg
peri 306.5473402190232 0.00010871 deg
M -6.085494211369569E-5 2.2944e-06 deg
tp 2454642.393607138559
(2008-Jun-24.89360714)
0.00018106 JED
period n/a
n/a
n/a
n/a
d
yr
n 2.106173238317613E-6 7.9421e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      284 days  
   first obs. used      2007-11-20  
   last obs. used      2008-08-30  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   fit RMS      .95913  
   data source      ORB  
   producer      Otto Matic  
   solution date      2011-Sep-14 21:21:48  

Additional Information
 Earth MOID = .0177755 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 12.1 mag 1. 60 2 parameter fit from 191 observations, autocmod 2.5a
comet total magnitude slope K1 7.   n/a 60 autocmod 2.5a
comet nuclear magnitude M2 16.9 mag 1. 60 from 919 observations, autocmod 2.5a
comet nuclear magnitude slope K2 5.   n/a 60 autocmod 2.5a
comet nuclear phase coefficient PC 0.03   n/a 60 autocmod 2.5a

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (AU) Minimum Distance (AU) Maximum Distance (AU) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2006-Apr-26 18:27 00:06 Saturn 1.21353947038208 1.21350985109915 1.21356908986115 16.1647256587521 16.1517917254295 2453852.268856983 6.82706326457711 1240.4638354097 228.086825957207 -26.1648162381397 155377.716928672 T 60 CATAB v2.0c-linF95 2011-Sep-15 11:45:18 2011-Sep-15 13:08
2008-Jun-12 08:44 < 00:01 Earth 0.21004790417644 0.210046414328257 0.210049394053449 16.6858516384164 16.6850913900116 2454629.864366915 0.61350462894893 106.072270469269 27.2779211581244 22.1540552595297 427079.830986428 T 60 CATAB v2.0c-linF95 2011-Sep-15 11:45:18 2011-Sep-15 13:08
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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