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233P/La Sagra
Classification: Encke-type Comet          SPK-ID: 1003062
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455690.5 (2011-May-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4098875652649876 2.019e-07  
a 3.034968636653442 1.2587e-07 au
q 1.790972731519964 5.6163e-07 au
i 11.27593104024551 2.4549e-05 deg
node 74.98531993369922 0.00011293 deg
peri 27.13487150881948 0.00028497 deg
M 78.76906421523196 0.00012222 deg
tp 2455267.945312991331
(2010-Mar-12.44531299)
0.00063129 TDB
period 1931.211051428293
5.29
0.00012014
3.289e-07
d
yr
n .1864115264531806 1.1596e-08 deg/d
Q 4.27896454178692 1.7746e-07 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      5882 days (16.10 yr)  
   first obs. used      2005-02-09  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .77183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:01  

Additional Information
 Earth MOID = .814517 au 
 Jupiter MOID = 1.01733 au 
 T_jup = 3.081 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 4.076161094824209E-14 -1.129121807660953E-13 8.65820212881602E-11 -3.33963478306111E-13 3.711073092630841E-11 -1.591752129184837E-12
q -1.129121807660953E-13 3.154301761281252E-13 -2.194957530026538E-10 1.22233692713256E-12 -9.439958735022549E-11 4.066911110794222E-12
tp 8.65820212881602E-11 -2.194957530026538E-10 3.985330097885171E-7 2.74325823359975E-9 1.656754636609416E-7 -7.219552477960358E-9
node -3.33963478306111E-13 1.22233692713256E-12 2.74325823359975E-9 1.275417364498445E-8 -1.120554279874169E-8 1.103265589477216E-11
peri 3.711073092630841E-11 -9.439958735022549E-11 1.656754636609416E-7 -1.120554279874169E-8 8.120878829785409E-8 -3.04686430635694E-9
i -1.591752129184837E-12 4.066911110794222E-12 -7.219552477960358E-9 1.103265589477216E-11 -3.04686430635694E-9 6.026691575780724E-10

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 18.7   0.5 11 2 parameter fit from 32 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 11 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.2   233P/2009 WJ50       
 2004.9   233P/2005 JR71       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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