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

Introduction

The following improved orbital elements, are from 517 observations 1951 February 3 to 2014 April 21, including full planetary and non-gravitational effect of type II, and relativity effect of the sun.

The mean residual is 0.49 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 30.60900 TT ±0.00109 TT
Argument of perihelion (ω) 172.3427174° ±0.0000251°
>Longitude of the node (Ω) 93.4383681° ۪.0000252°
Inclinaison (i) 22.3437021° ±0.0000193°
Perihelion distance (q) 1.2428042 ua ±0.0000012 ua
Eccentricity (e) 0.6370750 ±0.0000004
Semimajor axis (a) 3.4244111 ua ±0.0000070 ua
Mean motion (n) 0.15553396°/jour ±0.00000047°/jour
Period (P) 6.337 years ±0.0000193 (0.0071 day)

Non-gravitational parameters :

A1 = 0.02380 .10-8 ±0.00106 .10-8
A2 = 0.00199 .10-8 ±0.00001 .10-8
A3 = -0.00301 .10-8 ±0.00145 .10-8

Formulæ for magnitudes

Total magnitude :
m1 = H1 + 5log(Δ) + 10 log(r) with H1 = 14.41± 0.05 calculated using 149 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 27.10969 TT.
q :1.2342378 ua (J2000) P Q
n : 0.15624807°/jour ω : 172.5954320° -0.06058791 +0.92307212
a : 3.4139693 ua Ω : 93.3754100° -0.93419577 +0.08159097
e : 0.6384742 i : 22.3637274° -0.35157839 -0.37587336
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 26.63349 TT.
q :1.2532656 ua (J2000) P Q
n : 0.15496661°/jour ω : 172.3291856° -0.06409576 +0.92319644
a : 3.4327642 ua Ω : 93.4230148° -0.93457080 +0.07763199
e : 0.6349107 i : 22.3103491° -0.34995592 -0.37640617
P =6.36 years

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

T =2002 May 15.72009 TT.
q :1.2581451 ua (J2000) P Q
n : 0.15459137°/jour ω : 172.2926214° -0.06423788 +0.92335940
a : 3.4383168 ua Ω : 93.4500120° -0.93462732 +0.07728173
e : 0.6340811 i : 22.2848744° -0.34977888 -0.37607838
P =6.38 years

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

T =1996 January 2.45251 TT.
q :1.2558874 ua (J2000) P Q
n : 0.15478996°/jour ω : 172.3136271° -0.06427282 +0.92324329
a : 3.4353754 ua Ω : 93.4276965° -0.93458952 +0.07739441
e : 0.6344250 i : 22.3015212° -0.34987346 -0.37634019
P =6.37 years

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

T =1989 August 19.89805 TT.
q :1.2609598 ua (J2000) P Q
n : 0.15443300°/jour ω : 172.3385494° -0.06383007 +0.92346823
a : 3.4406670 ua Ω : 93.4315459° -0.93453603 +0.07768189
e : 0.6335130 i : 22.2722280° -0.35009732 -0.37572857
P =6.38 years

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

T =1983 April 7.50955 TT.
q :1.2539852 ua (J2000) P Q
n : 0.15495450°/jour ω : 172.3370010° -0.06383898 +0.92323687
a : 3.4329430 ua Ω : 93.4307008° -0.93456546 +0.07785368
e : 0.6347201 i : 22.3071154° -0.35001713 -0.37626119
P =6.36 years

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

T =1976 November 28.74537 TT.
q :1.2542029 ua (J2000) P Q
n : 0.15491928°/jour ω : 172.3789453° -0.06324201 +0.92336904
a : 3.4334632 ua Ω : 93.4268632° -0.93449318 +0.07839778
e : 0.6347120 i : 22.2932464° -0.35031834 -0.37582362
P =6.36 years

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

T =1970 July 21.03228 TT.
q :1.2473580 ua (J2000) P Q
n : 0.15536455°/jour ω : 172.2625291° -0.06437732 +0.92310895
a : 3.4268999 ua Ω : 93.4679901° -0.93471641 +0.07727776
e : 0.6360098 i : 22.3217208° -0.34951508 -0.37669352
P =6.34 years

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

T =1964 March 24.55039 TT.
q :1.2301225 ua (J2000) P Q
n : 0.15643799°/jour ω : 172.0466980° -0.06623735 +0.92297051
a : 3.4112057 ua Ω : 93.5607878° -0.93510333 +0.07514781
e : 0.6393878 i : 22.3250939° -0.34812982 -0.37746289
P =6.30 years

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

T =1957 December 4.70032 TT.
q :1.2262956 ua (J2000) P Q
n : 0.15668278°/jour ω : 171.9588076° -0.06685065 +0.92281946
a : 3.4076517 ua Ω : 93.6060124° -0.93528083 +0.07448509
e : 0.6401347 i : 22.3423924° -0.34753527 -0.37796325
P =6.29 years

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

T =1951 September 8.61218 TT.
q :1.1604557 ua (J2000) P Q
n : 0.16007509°/jour ω : 170.2204773° -0.06984726 +0.92715355
a : 3.3593369 ua Ω : 95.0860345° -0.93839741 +0.06412197
e : 0.6545581 i : 21.6890227° -0.33842526 -0.36915398
P =6.16 years

Contact

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

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