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C/1960 M1 (Humason)
Classification: Hyperbolic Comet          SPK-ID: 1001108
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2437245.5 (1960-Nov-07.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000333309647848 9.898e-05  
a -12803.52870793727 3802.4 au
q 4.267539644853636 0.0002437 au
i 125.4739352815224 0.00015519 deg
node 307.2701434187953 0.00081958 deg
peri 46.49411598290727 0.0051765 deg
M .0002256255935375667 0.00010051 deg
tp 2436913.850912132609
(1959-Dec-11.35091213)
0.016013 TDB
period n/a
n/a
n/a
n/a
d
yr
n 6.803142290799318E-7 3.0306e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      349 days  
   first obs. used      1960-06-23  
   last obs. used      1961-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .47445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:14  

Additional Information
 Earth MOID = 3.44564 au 
 Jupiter MOID = .00717529 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 12.2   0.3 2 from 14 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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