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C/1988 C1 (Maury-Phinney)
Classification: Hyperbolic Comet          SPK-ID: 1001224
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2447236.5 (1988-Mar-16.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.00000052935711 0.0052237  
a -3647207.47036457 3.5991e+10 au
q 1.930675205805696 0.00042494 au
i 93.15868283813296 0.053285 deg
node 147.5199272853799 0.012535 deg
peri 346.8394848945424 0.0059139 deg
M 1.134992454912607E-8 0.000168 deg
tp 2447156.289799177564
(1987-Dec-26.78979918)
0.034762 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.415022582258804E-10 2.0945e-06 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      53 days  
   first obs. used      1988-02-19  
   last obs. used      1988-04-12  
   two-body model      T  
   norm. resid. RMS      .31459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:36  

Additional Information
 Earth MOID = .959834 au 
 Jupiter MOID = 3.38781 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet nuclear magnitude M2 18.0   2. 2 from 3 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 2 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 2 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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