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Note number : 0012 P/Reinmuth 1 : 30P

• Introduction
• Elements
• Formulæ for magnitudes
• Elements for the next transit through perihelion
• Elements for the previous transit(s) through perihelion

• Comparison with observations
• Ephemerides of the comet  (ou click to open TEXT file TEXTE)
• Load the Postscript file of the note

Introduction

The following improved orbital elements, are from 2381 observations 2001 September 22 to 2011 June 25, including full planetary and non-gravitational effect of type II, and relativity effect of the sun.

The mean residual is 0.47 arc second.

Elements

Orbital elements given with respect to the mean ecliptic and equinox of J2000.
Epoch : 2010 April 19 at 0h TT, julian day 2455305.5.

Perihelion passage (T)	2010 April 19.54383 TT	±0.00000 TT
Argument of perihelion (ω)	13.2053614°	±0.0000524°
>Longitude of the node (Ω)	119.7548251°	۪.0000503°
Inclinaison (i)	8.1222419°	±0.0000064°
Perihelion distance (q)	1.8840667 ua	±0.0000003 ua
Eccentricity (e)	0.5010361	±0.0000006
Semimajor axis (a)	3.7759579 ua	±0.0000052 ua
Mean motion (n)	0.13432701°/jour	±0.00000027°/jour
Period (P)	7.338 years	±0.0000150 (0.0055 day)

Non-gravitational parameters :

A₁ = 0.53619 .10^-8 ±0.01064 .10^-8
A₂ = -0.02251 .10^-8 ±0.01021 .10^-8

Formulæ for magnitudes

Total magnitude :
m₁ = H₁ + 5log(Δ) + 10 log(r) avec H₁ = 11.84± 0.02 calculé à l'aide de 398 observation(s).
Nuclear magnitude :
m₂ = H₂ + 5log(Δ) + 5 log(r) avec H₂ = 13.80±0.01 calculé à l'aide de 865 observation(s).

Elements for the next transit through perihelion

Epoch :2017 August 19 at 0h TT, julian day 2457984.5 TT.

T =2017 August 19.16172 TT.
q :1.8766754 ua	(J2000)	P	Q
n : 0.13471273°/jour	ω : 13.2886048°	-0.67989814	-0.72294808
a : 3.7687468 ua	Ω : 119.7040137°	+0.65920606	-0.67592884
e : 0.5020426	i : 8.1288508°	+0.32122559	-0.14306040
P =7.32 years

Elements for the previous transit(s) through perihelion

Epoch :2002 December 24 at 0h TT, julian day 2452632.5 TT.

T =2002 December 24.39753 TT.
q :1.8774926 ua	(J2000)	P	Q
n : 0.13459392°/jour	ω : 13.2848672°	-0.68054910	-0.72234243
a : 3.7709642 ua	Ω : 119.7586993°	+0.65865230	-0.67652806
e : 0.5021187	i : 8.1305298°	+0.32098298	-0.14328711
P =7.32 years

Contact

Send your suggestion to the author of the notes : Patrick Rocher

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