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

Introduction

The following improved orbital elements, are from 523 observations 1951 February 3 to 2015 March 29, including full planetary and non-gravitational effect of type II, and relativity effect of the sun.

The mean residual is 0.50 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 30.60929 TT ±0.00110 TT
Argument of perihelion (ω) 172.3427382° ±0.0000253°
>Longitude of the node (Ω) 93.4383742° ۪.0000254°
Inclinaison (i) 22.3437042° ±0.0000194°
Perihelion distance (q) 1.2428044 ua ±0.0000012 ua
Eccentricity (e) 0.6370750 ±0.0000004
Semimajor axis (a) 3.4244113 ua ±0.0000070 ua
Mean motion (n) 0.15553395°/jour ±0.00000048°/jour
Period (P) 6.337 years ±0.0000195 (0.0071 day)

Non-gravitational parameters :

A1 = 0.02193 .10-8 ±0.00107 .10-8
A2 = 0.00201 .10-8 ±0.00001 .10-8
A3 = -0.00264 .10-8 ±0.00151 .10-8

Formulæ for magnitudes

Total magnitude :
m1 = H1 + 5log(Δ) + 10 log(r) with H1 = 14.39± 0.05 calculated using 152 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 27.11019 TT.
q :1.2342380 ua (J2000) P Q
n : 0.15624803°/jour ω : 172.5954657° -0.06058723 +0.92307216
a : 3.4139698 ua Ω : 93.3754177° -0.93419573 +0.08159164
e : 0.6384743 i : 22.3637284° -0.35157861 -0.37587311
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 26.63363 TT.
q :1.2532657 ua (J2000) P Q
n : 0.15496657°/jour ω : 172.3292007° -0.06409539 +0.92319645
a : 3.4327647 ua Ω : 93.4230219° -0.93457079 +0.07763236
e : 0.6349107 i : 22.3103517° -0.34995602 -0.37640607
P =6.36 years

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

T =2002 May 15.72009 TT.
q :1.2581453 ua (J2000) P Q
n : 0.15459133°/jour ω : 172.2926272° -0.06423767 +0.92335940
a : 3.4383173 ua Ω : 93.4500188° -0.93462732 +0.07728195
e : 0.6340811 i : 22.2848778° -0.34977891 -0.37607835
P =6.38 years

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

T =1996 January 2.45241 TT.
q :1.2558875 ua (J2000) P Q
n : 0.15478993°/jour ω : 172.3136236° -0.06427276 +0.92324326
a : 3.4353758 ua Ω : 93.4277031° -0.93458953 +0.07739447
e : 0.6344250 i : 22.3015254° -0.34987344 -0.37634024
P =6.37 years

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

T =1989 August 19.89788 TT.
q :1.2609599 ua (J2000) P Q
n : 0.15443297°/jour ω : 172.3385365° -0.06383016 +0.92346819
a : 3.4406674 ua Ω : 93.4315521° -0.93453606 +0.07768180
e : 0.6335130 i : 22.2722331° -0.35009723 -0.37572868
P =6.38 years

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

T =1983 April 7.50933 TT.
q :1.2539853 ua (J2000) P Q
n : 0.15495447°/jour ω : 172.3369789° -0.06383923 +0.92323682
a : 3.4329434 ua Ω : 93.4307068° -0.93456550 +0.07785344
e : 0.6347201 i : 22.3071212° -0.35001697 -0.37626137
P =6.36 years

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

T =1976 November 28.74514 TT.
q :1.2542030 ua (J2000) P Q
n : 0.15491925°/jour ω : 172.3789138° -0.06324242 +0.92336897
a : 3.4334636 ua Ω : 93.4268689° -0.93449324 +0.07839739
e : 0.6347120 i : 22.2932530° -0.35031812 -0.37582388
P =6.36 years

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

T =1970 July 21.03207 TT.
q :1.2473581 ua (J2000) P Q
n : 0.15536453°/jour ω : 172.2624883° -0.06437788 +0.92310887
a : 3.4269003 ua Ω : 93.4679955° -0.93471648 +0.07727722
e : 0.6360098 i : 22.3217282° -0.34951480 -0.37669384
P =6.34 years

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

T =1964 March 24.55022 TT.
q :1.2301227 ua (J2000) P Q
n : 0.15643796°/jour ω : 172.0466485° -0.06623805 +0.92297041
a : 3.4112060 ua Ω : 93.5607928° -0.93510341 +0.07514713
e : 0.6393877 i : 22.3251020° -0.34812948 -0.37746328
P =6.30 years

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

T =1957 December 4.70018 TT.
q :1.2262957 ua (J2000) P Q
n : 0.15668276°/jour ω : 171.9587487° -0.06685151 +0.92281934
a : 3.4076520 ua Ω : 93.6060171° -0.93528092 +0.07448425
e : 0.6401347 i : 22.3424014° -0.34753486 -0.37796371
P =6.29 years

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

T =1951 September 8.61205 TT.
q :1.1604560 ua (J2000) P Q
n : 0.16007505°/jour ω : 170.2204172° -0.06984829 +0.92715337
a : 3.3593373 ua Ω : 95.0860303° -0.93839749 +0.06412102
e : 0.6545580 i : 21.6890388° -0.33842483 -0.36915460
P =6.16 years

Contact

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

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