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JPL Small-Body Database Browser
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P/2015 A3 (PANSTARRS)
Classification: Halley-type Comet* [NEO]          SPK-ID: 1003369
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8459095973449907 0.00018112  
a 7.482162596822461 0.0091264 au
q 1.152929447274623 5.1378e-05 au
i 172.510659406925 0.00030401 deg
node 277.0751587325246 0.00044131 deg
peri 249.6199231264339 0.0011636 deg
M 359.5726112205209 0.00093301 deg
tp 2457076.374824116524
(2015-Feb-22.87482412)
0.0031724 TDB
period 7475.480956338333
20.47
13.677
0.03745
d
yr
n .04815743657199235 8.811e-05 deg/d
Q 13.8113957463703 0.016846 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      155 days  
   first obs. used      2015-01-08  
   last obs. used      2015-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .29375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:05  

Additional Information
 Earth MOID = .20413 au 
 Jupiter MOID = .234664 au 
 T_jup = -0.573 
[ 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 20.7   0.4 3 2 parameter fit from 32 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 3 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.1   P/2015 A3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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