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293P/Spacewatch
Classification: Jupiter-family Comet          SPK-ID: 1002442
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456039.5 (2012-Apr-22.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4192892081649476 5.6605e-07  
a 3.634558444715389 5.9253e-08 au
q 2.11062731240145 2.0279e-06 au
i 9.066572611969589 2.7391e-05 deg
node 78.43937835119328 0.00014026 deg
peri 41.2998992410478 0.000303 deg
M 270.562849126355 9.3016e-05 deg
tp 2456668.269355381653
(2014-Jan-10.76935538)		 0.00065406 TDB
period 2530.90539810674
6.93		 6.1891e-05
1.694e-07		 d
yr
n .1422415868523969 3.4784e-09 deg/d
Q 5.158489577029327 8.4098e-08 au
   Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      5180 days (14.18 yr)  
   first obs. used      2006-11-15  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-30 21:13:02  

Additional Information
 Earth MOID = 1.13542 au 
 Jupiter MOID = .384861 au 
 T_jup = 2.930 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.7   0.6 26 2 parameter fit from 167 observations, autocmod 2.8
comet total magnitude slope K1 11.   n/a 26 autocmod 2.8
comet nuclear magnitude M2 16.9   0.7 26 from 151 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 26 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 26 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2014.0   293P/2013 R2       
 2007.1   293P/2006 XG16       
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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