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C/2000 W1 (Utsunomiya-Jones)
Classification: Hyperbolic Comet          SPK-ID: 1000319
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2451889.5 (2000-Dec-11.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000001769662552 3.9754e-06  
a -181492.8945914923 4.0771e+05 au
q .3211811790223707 8.01e-07 au
i 160.1654345803042 0.00018899 deg
node 10.76595996173393 0.00039459 deg
peri 51.50886753780876 0.00051985 deg
M -1.983370573707363E-7 6.6832e-07 deg
tp 2451905.059270544864
(2000-Dec-26.55927054)
5.631e-05 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.274719510781987E-8 4.2953e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      58 days  
   first obs. used      2000-11-26  
   last obs. used      2001-01-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .58751  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:08  

Additional Information
 Earth MOID = .100655 au 
 Jupiter MOID = .837853 au 
 T_jup = -0.661 
[ 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 12.6   1. 23 2 parameter fit from 48 observations, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 23 autocmod 2.9c
comet nuclear magnitude M2 20.5   0.6 23 from 25 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 23 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 23 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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