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50P/Arend
Classification: Jupiter-family Comet          SPK-ID: 1000001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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:
Orbital Elements at Epoch 2455190.5 (2009-Dec-25.0) TDB
Reference: JPL K163/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5298191651919552 1.5246e-07  
a 4.088133046971167 8.8019e-08 au
q 1.922161808831259 6.5786e-07 au
i 19.16230981680282 8.9773e-06 deg
node 355.3247745531997 2.2956e-05 deg
peri 49.01451533157994 5.9249e-05 deg
M 93.54698610299745 1.555e-05 deg
tp 2454405.963311358784
(2007-Nov-01.46331136)
0.00012386 TDB
period 3019.158817151758
8.27
9.7505e-05
2.67e-07
d
yr
n .1192385103939713 3.8509e-09 deg/d
Q 6.254104285111073 1.3465e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.365273031799187E-9 2.887E-10
A2 [EST] -1.107871065975338E-10 2.867E-12
  Orbit Determination Parameters
   # obs. used (total)      1693  
   data-arc span      6447 days (17.65 yr)  
   first obs. used      1999-08-03  
   last obs. used      2017-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68498  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2017-May-08 08:57:20  

Additional Information
 Earth MOID = .981081 au 
 Jupiter MOID = .603459 au 
 T_jup = 2.693 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.1   0.8 K163/2 2 parameter fit from 402 observations, autocmod 2.6i
comet total magnitude slope K1 8.   n/a K163/2 autocmod 2.6i
diameter diameter 1.9 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H. (to be published)  

50P/Arend          Discovered 1951-Oct-04 by Arend, Silvio at Royal Observatory, Uccle, Belgium
discovered on plate/photo taken on discovery date
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1991.3       1991 VIII   1991u 
 1983.0       1983 VIII   1983q 
 1974.8       1975 VI   1975m 
 1966.5       1967 VI   1967l 
 1958.2   50P/1959 N1   1959 V   1959c 
 1950.0   50P/1951 T1   1951 X   1951j 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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