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148P/Anderson-LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1000328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2457164.5 (2015-May-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5394647052225616 2.5981e-06  
a 3.673943594210344 1.5631e-06 au
q 1.691980696155342 8.9771e-06 au
i 3.682036792350926 2.5637e-05 deg
node 89.78027602563908 0.0010595 deg
peri 6.700966864673739 0.0011594 deg
M 356.8113018584882 0.00011084 deg
tp 2457187.282850547157
(2015-Jun-13.78285055)
0.00079954 TDB
period 2572.155103113007
7.04
0.0016415
4.494e-06
d
yr
n .1399604555589599 8.932e-08 deg/d
Q 5.655906492265345 2.4063e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.989948518141983E-9 1.889E-10
A2 [EST] -4.548815640249512E-11 3.612E-12
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      18695 days (51.18 yr)  
   first obs. used      1963-11-22  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   norm. resid. RMS      .70665  
   source      ORB  
   producer      Ryan S. Park  
   solution date      2015-May-12 21:55:39  

Additional Information
 Earth MOID = .707381 au 
 T_jup = 2.828 
[ 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 12.3   0.7 19 2 parameter fit from 93 observations, autocmod 2.6
comet total magnitude slope K1 16.   n/a 19 autocmod 2.6
comet nuclear magnitude M2 16.3   0.5 19 from 26 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 19 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 19 autocmod 2.6

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