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C/2002 V1 (NEAT)
Classification: Comet          SPK-ID: 1000419
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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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.


Orbital Elements at Epoch 2452634.5 (2002-Dec-26.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9999017748627322 2.2844e-07  
a 1010.516972044071 2.351 au
q .09925816829043009 2.5072e-07 au
i 81.7060566720839 8.5895e-05 deg
node 64.08842957735027 7.6072e-06 deg
peri 152.1696864278609 4.8934e-05 deg
M 359.998334078724 5.8141e-06 deg
tp 2452688.795747801936
(2003-Feb-18.29574780)
1.9835e-05 TDB
period 11733128.9841922
32123.56
40947
112.1
d
yr
n 3.068235254935154E-5 1.0708e-07 deg/d
Q 2020.934685919851 4.7018 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -3.628851637454017E-9 4.973E-10
A2 [EST] 4.283580017678427E-10 4.223E-11
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      350 days  
   first obs. used      2002-11-06  
   last obs. used      2003-10-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .63675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:22  

Additional Information
 Earth MOID = .151118 au 
 Jupiter MOID = .91752 au 
 T_jup = 0.061 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 10.4   1. 39 2 parameter fit from 314 observations, autocmod 2.9c
comet total magnitude slope K1 14.25   n/a 39 autocmod 2.9c
comet nuclear magnitude M2 13.8   1. 39 from 607 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 39 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 39 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2003.1   C/2002 V1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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