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P/2012 NJ (La Sagra)
Classification: Halley-type Comet* [NEO]          SPK-ID: 1003198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456158.5 (2012-Aug-19.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8480620374298449 4.7289e-06  
a 8.502747360141141 0.00026913 au
q 1.29189011014861 8.5768e-07 au
i 84.3754608943381 6.0147e-05 deg
node 315.763185318045 2.7833e-05 deg
peri 338.4139062493553 0.00010901 deg
M 2.659832978805825 0.00013148 deg
tp 2456091.590281097417
(2012-Jun-13.09028110)
0.0001356 TDB
period 9056.019305296511
24.79
0.42996
0.001177
d
yr
n .03975256543340738 1.8874e-06 deg/d
Q 15.71360461013367 0.00049737 au
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      272 days  
   first obs. used      2012-07-13  
   last obs. used      2013-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .30882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:32:19  

Additional Information
 Earth MOID = .315258 au 
 Jupiter MOID = 2.41435 au 
 T_jup = 0.745 
[ 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 14.8   0.3 33 2 parameter fit from 733 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 33 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2012.4   P/2012 NJ       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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