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324P/La Sagra (2010 R2)
Classification: Encke-type Comet          SPK-ID: 1003104
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455609.5 (2011-Feb-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537183208358595 8.2545e-07  
a 3.098426295582606 5.8807e-07 au
q 2.622141408191976 2.9943e-06 au
i 21.39755438105311 1.5846e-05 deg
node 270.6862159673557 0.00011794 deg
peri 59.46303795410191 0.00017011 deg
M 42.78530442384037 9.0219e-05 deg
tp 2455372.743284116406
(2010-Jun-25.24328412)
0.00047029 TDB
period 1992.095624090068
5.45
0.00056714
1.553e-06
d
yr
n .1807142165499398 5.1448e-08 deg/d
Q 3.574711182973237 6.7847e-07 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      1800 days (4.93 yr)  
   first obs. used      2010-08-12  
   last obs. used      2015-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .60345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:23  

Additional Information
 Earth MOID = 1.6742 au 
 Jupiter MOID = 1.82929 au 
 T_jup = 3.099 
[ 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 4.2   0.9 24 2 parameter fit from 122 observations, autocmod 2.9c
comet total magnitude slope K1 31.   n/a 24 autocmod 2.9c
comet nuclear magnitude M2 15.5   0.5 24 from 278 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 24 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 24 autocmod 2.9c
diameter diameter 1.600 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[ambos] (http://adsabs.harvard.edu/abs/2012ApJ...747...49B)  
geometric albedo albedo 0.010   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[ambos] (http://adsabs.harvard.edu/abs/2012ApJ...747...49B)  

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.9   324P/2015 K3       
 2010.5   324P/2010 R2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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