Orbital elements: P/2009 S1 (Gibbs) T 2009 Aug. 1.012 TT MPC q 2.42791 (2000.0) P Q n 0.127376 Peri. 223.073 +0.908511 -0.383391 a 3.91210 Node 157.742 +0.386408 +0.922205 e 0.37939 Incl. 26.024 -0.159050 +0.050500 P 7.74 From 62 observations 2009 Sept. 20-30.
Orbital elements: P/2009 S1 (Gibbs) T 2009 July 31.910 TT MPC q 2.42708 (2000.0) P Q n 0.127546 Peri. 223.052 +0.908793 -0.382668 a 3.90863 Node 157.717 +0.385713 +0.922498 e 0.37905 Incl. 26.015 -0.159126 +0.050614 P 7.73 From 59 observations 2009 Sept. 20-30.
Orbital elements: P/2009 S1 (Gibbs) T 2009 Aug. 2.782 TT MPC q 2.41458 (2000.0) P Q n 0.134056 Peri. 223.987 +0.905911 -0.388153 a 3.78105 Node 157.127 +0.392216 +0.919817 e 0.36140 Incl. 25.821 -0.159660 +0.057215 P 7.35 From 44 observations 2009 Sept. 20-25.
Comet P/2009 S1 (Gibbs) was discovered by A. Gibbs (Catalina Sky Survey) on the 20th September, 2009. The preliminary orbital elements of the comet indicate a perihelion passage on the 24th July, 2009, at a distance of approximately 2.36 AU from the Sun, and a 6.95 year orbital period. Ephemeris
Orbital elements: P/2009 S1 (Gibbs) T 2009 July 24.990 TT MPC q 2.36593 (2000.0) P Q n 0.141860 Peri. 221.712 +0.927312 -0.330515 a 3.64108 Node 155.805 +0.335855 +0.941913 e 0.35021 Incl. 25.378 -0.165209 +0.059659 P 6.95 From 36 observations 2009 Sept. 20-22.