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Note number : 0028 P/Honda-Mrkos-Pajdusakova : 45P

Introduction

The following improved orbital elements, are from 961 observations 2001 April 4 to 2012 January 19, including full planetary and non-gravitational effect of type II, and relativity effect of the sun.

The mean residual is 0.46 arc second.

Elements

Orbital elements given with respect to the mean ecliptic and equinox of J2000.
Epoch : 2011 September 28 at 0h TT, julian day 2455832.5.

Perihelion passage (T) 2011 September 28.78156 TT ±0.00000 TT
Argument of perihelion (ω) 326.2460368° ±0.0001369°
>Longitude of the node (Ω) 89.0048041° ۪.0001466°
Inclinaison (i) 4.2523641° ±0.0000101°
Perihelion distance (q) 0.5296416 ua ±0.0000001 ua
Eccentricity (e) 0.8246277 ±0.0000010
Semimajor axis (a) 3.0200989 ua ±0.0000186 ua
Mean motion (n) 0.18778995°/jour ±0.00000173°/jour
Period (P) 5.249 years ±0.0000484 (0.0177 day)

Non-gravitational parameters :

A1 = 0.54530 .10-8 ±0.00806 .10-8
A2 = -0.04243 .10-8 ±0.00002 .10-8
A3 = 0.03607 .10-8 ±0.00406 .10-8

Formulæ for magnitudes

Total magnitude :
m1 = H1 + 5log(Δ) + 10 log(r) avec H1 = 14.95± 0.15 calculé à l'aide de 188 observation(s).
Nuclear magnitude :
m2 = H2 + 5log(Δ) + 5 log(r) avec H2 = 15.53±0.08 calculé à l'aide de 566 observation(s).

Elements for the next transit through perihelion

Epoch :2016 December 31 at 0h TT, julian day 2457753.5 TT.

T =2016 December 31.18933 TT.
q :0.5325598 ua (J2000) P Q
n : 0.18734869°/jour ω : 326.2662974° +0.56816451 -0.81957289
a : 3.0248391 ua Ω : 89.0050178° +0.77043408 +0.49813198
e : 0.8239378 i : 4.2495918° +0.28917195 +0.28313390
P =5.26 years

Elements for the previous transit(s) through perihelion

Epoch :2006 June 29 at 0h TT, julian day 2453915.5 TT.

T =2006 June 29.80256 TT.
q :0.5302463 ua (J2000) P Q
n : 0.18768612°/jour ω : 326.1175085° +0.56879645 -0.81912991
a : 3.0212126 ua Ω : 89.1091839° +0.77009857 +0.49874967
e : 0.8244922 i : 4.2523443° +0.28882311 +0.28332836
P =5.25 years

Epoch :2001 March 29 at 0h TT, julian day 2451997.5 TT.

T =2001 March 29.92701 TT.
q :0.5284076 ua (J2000) P Q
n : 0.18774105°/jour ω : 326.1337929° +0.56897522 -0.81900219
a : 3.0206232 ua Ω : 89.0803602° +0.76998664 +0.49889564
e : 0.8250667 i : 4.2546374° +0.28876941 +0.28344057
P =5.25 years

Contact

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

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