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Note number : 0078 P/Slaughter-Burnham : 56P

Introduction

The following improved orbital elements, are from 623 observations 1958 December 10 to 2006 January 18, including full planetary and non-gravitational effect of type II, and relativity effect of the sun.

The mean residual is 0.51 arc second.

Elements

Orbital elements given with respect to the mean ecliptic and equinox of J2000.
Epoch : 2005 January 15 at 0h TT, julian day 2453385.5.

Perihelion passage (T) 2005 January 15.02404 TT ±0.00000 TT
Argument of perihelion (ω) 44.0958923° ±0.0000753°
>Longitude of the node (Ω) 346.2722327° ۪.0000710°
Inclinaison (i) 8.1555304° ±0.0000101°
Perihelion distance (q) 2.5351991 ua ±0.0000007 ua
Eccentricity (e) 0.5038763 ±0.0000009
Semimajor axis (a) 5.1100143 ua ±0.0000106 ua
Mean motion (n) 0.08532394°/jour ±0.00000027°/jour
Period (P) 11.552 years ±0.0000360 (0.0132 day)

Non-gravitational parameters :

A1 = 5.64990 .10-8 ±0.17448 .10-8
A2 = 0.01585 .10-8 ±0.00048 .10-8

Formulæ for magnitudes

Total magnitude :
m1 = H1 + 5log(Δ) + 10 log(r) avec H1 = 11.44± 0.05 calculé à l'aide de 145 observation(s).
Nuclear magnitude :
m2 = H2 + 5log(Δ) + 5 log(r) avec H2 = 13.19±0.02 calculé à l'aide de 152 observation(s).

Elements for the next transit through perihelion

Epoch :2016 July 18 at 0h TT, julian day 2457587.5 TT.

T =2016 July 18.42666 TT.
q :2.5086226 ua (J2000) P Q
n : 0.08595559°/jour ω : 44.2169911° +0.86254594 -0.50481338
a : 5.0849494 ua Ω : 345.9857580° +0.41596796 +0.74608943
e : 0.5066573 i : 8.1478403° +0.28807143 +0.43418201
P =11.47 years

Elements for the previous transit(s) through perihelion

Epoch :1993 June 22 at 0h TT, julian day 2449160.5 TT.

T =1993 June 22.42778 TT.
q :2.5430581 ua (J2000) P Q
n : 0.08500918°/jour ω : 44.1088370° +0.85950047 -0.51005233
a : 5.1226202 ua Ω : 346.4451652° +0.42084571 +0.74309389
e : 0.5035630 i : 8.1558854° +0.29008246 +0.43319522
P =11.59 years

Epoch :1981 November 19 at 0h TT, julian day 2444927.5 TT.

T =1981 November 19.14202 TT.
q :2.5445336 ua (J2000) P Q
n : 0.08485201°/jour ω : 44.1983587° +0.85705805 -0.51417374
a : 5.1289441 ua Ω : 346.6318496° +0.42454694 +0.74087800
e : 0.5038874 i : 8.1596513° +0.29190992 +0.43211706
P =11.62 years

Epoch :1970 April 13 at 0h TT, julian day 2440689.5 TT.

T =1970 April 13.37630 TT.
q :2.5436728 ua (J2000) P Q
n : 0.08483221°/jour ω : 44.2911636° +0.85472697 -0.51806362
a : 5.1297419 ua Ω : 346.8003525° +0.42801718 +0.73875640
e : 0.5041324 i : 8.1655679° +0.29367175 +0.43110215
P =11.62 years

Epoch :1958 September 5 at 0h TT, julian day 2436451.5 TT.

T =1958 September 5.25445 TT.
q :2.5437407 ua (J2000) P Q
n : 0.08488094°/jour ω : 44.3641260° +0.85260980 -0.52156346
a : 5.1277787 ua Ω : 346.9631627° +0.43114300 +0.73681392
e : 0.5039293 i : 8.1717564° +0.29524946 +0.43020554
P =11.61 years

Contact

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

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