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Note number : 0036 P/Johnson : 48P

Introduction

The following improved orbital elements, are from 1301 observations 1963 April 24 to 2013 December 3, including full planetary and non-gravitational effect of type II, and relativity effect of the sun.

The mean residual is 0.43 arc second.

Elements

Orbital elements given with respect to the mean ecliptic and equinox of J2000.
Epoch : 2011 September 29 at 0h TT, julian day 2455833.5.

Perihelion passage (T) 2011 September 29.30122 TT ±0.00000 TT
Argument of perihelion (ω) 207.9562535° ±0.0000292°
>Longitude of the node (Ω) 117.2718026° ۪.0000280°
Inclinaison (i) 13.6622338° ±0.0000074°
Perihelion distance (q) 2.3011145 ua ±0.0000002 ua
Eccentricity (e) 0.3676588 ±0.0000004
Semimajor axis (a) 3.6390393 ua ±0.0000024 ua
Mean motion (n) 0.14197895°/jour ±0.00000014°/jour
Period (P) 6.942 years ±0.0000068 (0.0025 day)

Non-gravitational parameters :

A1 = 0.63679 .10-8 ±0.00404 .10-8
A2 = -0.01858 .10-8 ±0.00009 .10-8
A3 = 0.01946 .10-8 ±0.00681 .10-8

Formulæ for magnitudes

Total magnitude :
m1 = H1 + 5log(Δ) + 10 log(r) avec H1 = 12.08± 0.04 calculé à l'aide de 309 observation(s).
Nuclear magnitude :
m2 = H2 + 5log(Δ) + 5 log(r) avec H2 = 13.12±0.02 calculé à l'aide de 596 observation(s).

Elements for the next transit through perihelion

Epoch :2018 August 12 at 0h TT, julian day 2458342.5 TT.

T =2018 August 12.19561 TT.
q :2.0045271 ua (J2000) P Q
n : 0.15064451°/jour ω : 216.5598672° +0.82309673 +0.53207211
a : 3.4981131 ua Ω : 110.1332538° -0.45796441 +0.82860022
e : 0.4269690 i : 12.2068936° -0.33582789 +0.17412910
P =6.54 years

Elements for the previous transit(s) through perihelion

Epoch :2004 October 11 at 0h TT, julian day 2453289.5 TT.

T =2004 October 11.96762 TT.
q :2.3099736 ua (J2000) P Q
n : 0.14154772°/jour ω : 207.6945095° +0.80771555 +0.55099036
a : 3.6464266 ua Ω : 117.3293982° -0.48781501 +0.82439675
e : 0.3665103 i : 13.6582808° -0.33110739 +0.12953615
P =6.96 years

Epoch :1997 October 31 at 0h TT, julian day 2450752.5 TT.

T =1997 October 31.85727 TT.
q :2.3083043 ua (J2000) P Q
n : 0.14144810°/jour ω : 207.9935728° +0.81081727 +0.54639719
a : 3.6481383 ua Ω : 117.3540755° -0.48317015 +0.82717561
e : 0.3672651 i : 13.6645874° -0.33033615 +0.13126544
P =6.97 years

Epoch :1990 November 18 at 0h TT, julian day 2448213.5 TT.

T =1990 November 18.95691 TT.
q :2.3125590 ua (J2000) P Q
n : 0.14143332°/jour ω : 208.2982458° +0.81367051 +0.54215578
a : 3.6483925 ua Ω : 117.3493793° -0.47883417 +0.82967721
e : 0.3661430 i : 13.6611390° -0.32963333 +0.13305201
P =6.97 years

Epoch :1983 December 3 at 0h TT, julian day 2445671.5 TT.

T =1983 December 3.21438 TT.
q :2.3020194 ua (J2000) P Q
n : 0.14194844°/jour ω : 208.1752711° +0.81299201 +0.54313474
a : 3.6395607 ua Ω : 117.4004195° -0.47991893 +0.82914895
e : 0.3675008 i : 13.6740918° -0.32972992 +0.13235053
P =6.94 years

Epoch :1977 January 8 at 0h TT, julian day 2443151.5 TT.

T =1977 January 8.42822 TT.
q :2.1956616 ua (J2000) P Q
n : 0.14572464°/jour ω : 206.2313133° +0.80478699 +0.55471038
a : 3.5764107 ua Ω : 118.4719009° -0.49355026 +0.82306280
e : 0.3860712 i : 13.9032414° -0.32973632 +0.12191813
P =6.76 years

Epoch :1970 March 30 at 0h TT, julian day 2440675.5 TT.

T =1970 March 30.04162 TT.
q :2.1999609 ua (J2000) P Q
n : 0.14552409°/jour ω : 206.0226299° +0.80341181 +0.55677382
a : 3.5796958 ua Ω : 118.5347309° -0.49574663 +0.82180012
e : 0.3854336 i : 13.8986536° -0.32979499 +0.12102677
P =6.77 years

Epoch :1963 June 9 at 0h TT, julian day 2438189.5 TT.

T =1963 June 9.17928 TT.
q :2.2472171 ua (J2000) P Q
n : 0.14370526°/jour ω : 206.0664610° +0.80691863 +0.55209676
a : 3.6098371 ua Ω : 118.8320726° -0.49135507 +0.82467042
e : 0.3774741 i : 13.8652027° -0.32779952 +0.12291405
P =6.86 years

Contact

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

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