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156P/Russell-LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1000433
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458772.5 (2019-Oct-16.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6153505657290735 4.7503e-08  
a 3.464175301688683 1.598e-07 au
q 1.332493070009868 1.5477e-07 au
i 17.28447785848764 8.9041e-06 deg
node 35.49964841492309 1.5409e-05 deg
peri .268238463506272 9.8474e-06 deg
M 299.0608910331485 5.5697e-06 deg
tp 2459171.150044977375
(2020-Nov-17.65004498)
1.5238e-05 TDB
period 2355.039622747372
6.45
0.00016295
4.461e-07
d
yr
n .1528636701152512 1.0577e-08 deg/d
Q 5.595857533367499 2.5813e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1423  
   data-arc span      12565 days (34.40 yr)  
   first obs. used      1986-09-03  
   last obs. used      2021-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62432  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-30 21:13:01  

Additional Information
 Earth MOID = .339025 au 
 Jupiter MOID = .107097 au 
 T_jup = 2.730 
[ 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 11.6   1. 35 2 parameter fit from 1037 observations, autocmod 2.8
comet total magnitude slope K1 20.25   n/a 35 autocmod 2.8
comet nuclear magnitude M2 14.9   01. 35 from 310 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 35 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 35 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2001.5   156P/2000 QD181       
 1995.1   156P/1993 WU       
 1988.6   156P/1986 R1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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