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Note number : 0039 P/Pons-Winnecke : 7P

Introduction

The following improved orbital elements, are from 528 observations 1951 February 3 to 2015 April 27, including full planetary and non-gravitational effect of type II, and relativity effect of the sun.

The mean residual is 0.53 arc second.

Elements

Orbital elements given with respect to the mean ecliptic and equinox of J2000.
Epoch : 2013 September 26 at 0h TT, julian day 2456561.5.

Perihelion passage (T) 2015 January 30.60963 TT ±0.00114 TT
Argument of perihelion (ω) 172.3427504° ±0.0000261°
>Longitude of the node (Ω) 93.4383837° ۪.0000261°
Inclinaison (i) 22.3437082° ±0.0000201°
Perihelion distance (q) 1.2428048 ua ±0.0000013 ua
Eccentricity (e) 0.6370749 ±0.0000004
Semimajor axis (a) 3.4244115 ua ±0.0000072 ua
Mean motion (n) 0.15553393°/jour ±0.00000049°/jour
Period (P) 6.337 years ±0.0000201 (0.0073 day)

Non-gravitational parameters :

A1 = 0.01968 .10-8 ±0.00109 .10-8
A2 = 0.00204 .10-8 ±0.00001 .10-8
A3 = -0.00236 .10-8 ±0.00160 .10-8

Formulæ for magnitudes

Total magnitude :
m1 = H1 + 5log(Δ) + 10 log(r) with H1 = 14.35± 0.05 calculated using 157 observation(s).
Nuclear magnitude :
m2 = H2 + 5log(Δ) + 5 log(r) with H2 = 15.86±0.03 calculated using 152 observation(s).

Elements for the next transit through perihelion

Epoch :2021 May 27 at 0h TT, julian day 2459361.5 TT.

T =2021 May 27.11076 TT.
q :1.2342383 ua (J2000) P Q
n : 0.15624798°/jour ω : 172.5954943° -0.06058658 +0.92307218
a : 3.4139706 ua Ω : 93.3754284° -0.93419571 +0.08159228
e : 0.6384742 i : 22.3637315° -0.35157880 -0.37587292
P =6.31 years

Elements for the previous transit(s) through perihelion

Epoch :2008 September 26 at 0h TT, julian day 2454735.5 TT.

T =2008 September 26.63377 TT.
q :1.2532660 ua (J2000) P Q
n : 0.15496653°/jour ω : 172.3292065° -0.06409511 +0.92319644
a : 3.4327653 ua Ω : 93.4230322° -0.93457080 +0.07763263
e : 0.6349107 i : 22.3103561° -0.34995605 -0.37640604
P =6.36 years

Epoch :2002 May 15 at 0h TT, julian day 2452409.5 TT.

T =2002 May 15.72008 TT.
q :1.2581456 ua (J2000) P Q
n : 0.15459130°/jour ω : 172.2926216° -0.06423758 +0.92335937
a : 3.4383179 ua Ω : 93.4500288° -0.93462735 +0.07728204
e : 0.6340811 i : 22.2848827° -0.34977887 -0.37607839
P =6.38 years

Epoch :1996 January 2 at 0h TT, julian day 2450084.5 TT.

T =1996 January 2.45229 TT.
q :1.2558878 ua (J2000) P Q
n : 0.15478989°/jour ω : 172.3136068° -0.06427285 +0.92324322
a : 3.4353763 ua Ω : 93.4277129° -0.93458957 +0.07739437
e : 0.6344250 i : 22.3015310° -0.34987332 -0.37634036
P =6.37 years

Epoch :1989 August 19 at 0h TT, julian day 2447757.5 TT.

T =1989 August 19.89768 TT.
q :1.2609602 ua (J2000) P Q
n : 0.15443294°/jour ω : 172.3385083° -0.06383044 +0.92346813
a : 3.4406679 ua Ω : 93.4315618° -0.93453611 +0.07768152
e : 0.6335130 i : 22.2722392° -0.35009703 -0.37572888
P =6.38 years

Epoch :1983 April 7 at 0h TT, julian day 2445431.5 TT.

T =1983 April 7.50910 TT.
q :1.2539856 ua (J2000) P Q
n : 0.15495444°/jour ω : 172.3369394° -0.06383970 +0.92323674
a : 3.4329438 ua Ω : 93.4307162° -0.93456557 +0.07785298
e : 0.6347200 i : 22.3071279° -0.35001670 -0.37626165
P =6.36 years

Epoch :1976 November 28 at 0h TT, julian day 2443110.5 TT.

T =1976 November 28.74491 TT.
q :1.2542033 ua (J2000) P Q
n : 0.15491923°/jour ω : 172.3788630° -0.06324307 +0.92336888
a : 3.4334640 ua Ω : 93.4268781° -0.93449332 +0.07839674
e : 0.6347120 i : 22.2932603° -0.35031778 -0.37582424
P =6.36 years

Epoch :1970 July 21 at 0h TT, julian day 2440788.5 TT.

T =1970 July 21.03188 TT.
q :1.2473584 ua (J2000) P Q
n : 0.15536450°/jour ω : 172.2624263° -0.06437871 +0.92310876
a : 3.4269007 ua Ω : 93.4680045° -0.93471658 +0.07727638
e : 0.6360097 i : 22.3217360° -0.34951438 -0.37669428
P =6.34 years

Epoch :1964 March 24 at 0h TT, julian day 2438478.5 TT.

T =1964 March 24.55010 TT.
q :1.2301231 ua (J2000) P Q
n : 0.15643793°/jour ω : 172.0465764° -0.06623906 +0.92297028
a : 3.4112065 ua Ω : 93.5608013° -0.93510352 +0.07514613
e : 0.6393877 i : 22.3251105° -0.34812899 -0.37746379
P =6.30 years

Epoch :1957 December 4 at 0h TT, julian day 2436176.5 TT.

T =1957 December 4.70013 TT.
q :1.2262961 ua (J2000) P Q
n : 0.15668273°/jour ω : 171.9586653° -0.06685271 +0.92281919
a : 3.4076524 ua Ω : 93.6060252° -0.93528104 +0.07448306
e : 0.6401346 i : 22.3424104° -0.34753430 -0.37796430
P =6.29 years

Epoch :1951 September 8 at 0h TT, julian day 2433897.5 TT.

T =1951 September 8.61199 TT.
q :1.1604568 ua (J2000) P Q
n : 0.16007501°/jour ω : 170.2203343° -0.06984971 +0.92715314
a : 3.3593379 ua Ω : 95.0860245° -0.93839760 +0.06411969
e : 0.6545579 i : 21.6890586° -0.33842424 -0.36915542
P =6.16 years

Contact

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

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