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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 2457262.5 (2015-Aug-28.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .153784445570409 8.194e-07  
a 3.095929042189836 5.782e-07 au
q 2.619823310911345 2.9645e-06 au
i 21.41695747394586 1.5746e-05 deg
node 270.6516569004608 0.00011696 deg
peri 58.56915804482286 0.00016211 deg
M 343.0000762445442 0.00014267 deg
tp 2457356.457055272656
(2015-Nov-29.95705527)
0.00081096 TDB
period 1989.687741234773
5.45
0.00055739
1.526e-06
d
yr
n .1809329135116392 5.0687e-08 deg/d
Q 3.572034773468327 6.6711e-07 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      1800 days (4.93 yr)  
   first obs. used      2010-08-12  
   last obs. used      2015-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   norm. resid. RMS      .61742  
   source      ORB  
   producer      Ryan S. Park  
   solution date      2015-Aug-18 22:06:31  

Additional Information
 Earth MOID = 1.66858 au 
 T_jup = 3.100 
[ 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 7.0   0.9 22 from 121 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 25.   n/a 22 autocmod 2.6
comet nuclear magnitude M2 15.5   0.5 22 from 276 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 22 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 22 autocmod 2.6
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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