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C/1992 J1 (Spacewatch)
Classification: Comet          SPK-ID: 1001257
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2449202.5 (1993-Aug-03.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9999734913795164 3.7999e-06  
a 113435.2137276099 16261 au
q 3.007011030180084 1.3502e-06 au
i 124.3187544758918 2.6114e-05 deg
node 203.3241326250259 2.8607e-05 deg
peri 83.39944199005573 5.5563e-05 deg
M 359.9999991346917 1.8606e-07 deg
tp 2449236.041973160511
(1993-Sep-05.54197316)
0.00026921 TDB
period 13954692383.02965
38205865.53
3.0006e+09
8.215e+06
d
yr
n 2.579777397585612E-8 5.5471e-09 deg/d
Q 226867.4204441897 32521 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      1007 days (2.76 yr)  
   first obs. used      1992-05-01  
   last obs. used      1995-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .77999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:41  

Additional Information
 Earth MOID = 2.54094 au 
 Jupiter MOID = .127385 au 
 T_jup = -1.212 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.3   0.4 2 2 parameter fit from 125 observations, autocmod 2.9c
comet total magnitude slope K1 9.25   n/a 2 autocmod 2.9c
comet nuclear magnitude M2 14.2   0.3 2 from 6 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

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1993.7   C/1992 J1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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