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271P/van Houten-Lemmon
Classification: Jupiter-family Comet          SPK-ID: 1000103
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455652.5 (2011-Apr-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .389829738793725 3.3722e-07  
a 6.968723212172743 1.2356e-06 AU
q 4.252107662645674 2.342e-06 AU
i 6.85645501861733 4.0975e-05 deg
node 9.590497325604408 0.00029508 deg
peri 35.03489759186957 0.00041227 deg
M 315.7182850458578 0.00014637 deg
tp 2456479.013936707598
(2013-Jul-05.51393671)
0.0027476 JED
period 6719.365262227773
18.40
0.0017871
4.893e-06
d
yr
n .05357648914008341 1.425e-08 deg/d
Q 9.685338761699812 1.7173e-06 AU
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      19816 days (54.25 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .74183  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-07 23:58:42  

Additional Information
 Earth MOID = 3.26246 AU 
 T_jup = 2.863 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 5.5 mag n/a ICQ 1994 Handbook  
comet total magnitude slope K1 15.0   n/a ICQ 1994 Handbook  
comet nuclear magnitude M2 10.5 mag n/a ICQ 1994 Handbook  
comet nuclear magnitude slope K2 10.0   n/a ICQ 1994 Handbook  

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2013.5   271P/2012 TB36       
 1958.3   271P/1960 S1   1961 X   
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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