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C/1991 X2 (Mueller)
Classification: Hyperbolic Comet          SPK-ID: 1000582
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2448651.5 (1992-Jan-30.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000201387727965 3.5657e-05  
a -987.1342476950911 174.62 au
q .1987967233397178 3.1787e-05 au
i 95.57437028926191 0.0091261 deg
node 288.783115284103 0.0021628 deg
peri 306.985362402392 0.0062408 deg
M -.001627094846868557 0.00043175 deg
tp 2448702.700373033549
(1992-Mar-21.20037303)
0.00027544 TDB
period n/a
n/a
n/a
n/a
d
yr
n 3.177896469235496E-5 8.4324e-06 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      81 days  
   first obs. used      1991-12-13  
   last obs. used      1992-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .9251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:41  

Additional Information
 Earth MOID = .00670913 au 
 Jupiter MOID = 2.44272 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.1   0.8 5 2 parameter fit from 23 observations, autocmod 2.9c
comet total magnitude slope K1 16.75   n/a 5 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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