Solar System
Dynamics &
Planetology
Group 		C/2010 S1 LINEAR



data set of C/2010 S1

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General description

Comet C/2010 S1 was discovered two years and eight months before perihelion passage and next observed almost continuously by 4.8 yr in a range of heliocentric distances: 8.85 au – 5.900 au (perihelion) – 8.02 au.

Comet had its closest approach to Earth on 4 August 2013 (5.205 au, 2.5 months after perihelion).

C/2010 S1 suffered a very slight planetary perturbations during its passage through the planetary system.

Figure caption: Time distribution of positional observations with corresponding heliocentric (red curve) and geocentric (green curve) distance at which they were taken. The horizontal dotted line shows the perihelion distance for a given comet whereas vertical dotted line — the moment of perihelion passage.




SSDP Cometary Note C2010S1A5-001

Comet C/2010 S1 LINEAR

number of observations 8578
number of residuals 17046
data interval 2010 Sep. 21 — 2015 July 19
rms [arcsec] 0.44
orbit quality class 1a+

Osculating orbital elements (heliocentric; ecliptic J2000.0)

Epoch (TT) 20130528.0 = JD 2456440.5
time of perihelion passage (TT) 20130520.299392 ± 0.000128
perihelion distance 5.89989428 ± 0.00000081
eccentricity 1.00191132 ± 0.00000090
argument of perihelion [deg] 118.614738 ± 0.000012
longitude of the ascending node [deg] 93.430361 ± 0.000003
inclination [deg] 125.335777 ± 0.000002
inverse semimajor axis [10-6 au-1] -323.96 ± 0.15

Note: Epoch is given in a format: yyyymmdd.d, time of perihelion passage in a format of yyyymmdd.dddddd.
data set of C/2010 S1

Figure caption: Six 2D-projections of the 6D space of original swarm (5001 VCs) of C/2010 S1. Each density map is given in logarithmic scale presented on the right in the individual panel.
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Original orbital elements (barycentric; at 250 au from the Sun)

Epoch (TT) 17060607
time of perihelion passage (TT) 20130519.845418 ± 0.000128
perihelion distance 5.90058690 ± 0.00000094
eccentricity 0.99985254 ± 0.00000089
argument of perihelion [deg] 118.594574 ± 0.000012
longitude of the ascending node [deg] 93.453927 ± 0.000003
inclination [deg] 125.320357 ± 0.000002
inverse semimajor axis [10-6 au-1] 24.99 ± 0.15

Note: Values of uncertainties of original/future orbital elements were derived using a swarm of 5001 osculating orbits of VCs (including the nominal osculating orbit given above) for original/future orbital evolution calclulations and then by fitting the distribution of a given orbital element of original/future swarm of VCs to Gaussian distribution.

Original barycentric positions and velocities of 5001 VCs at 250 au from the Sun are given here   (data format), i.e. before entering the planetary zone.





data set of C/2010 S1

Figure caption: Six 2D-projections of the 6D space of future swarm (5001 VCs) of C/2010 S1. Each density map is given in logarithmic scale presented on the right in the individual panel.
The same figure in the new window

Future orbital elements (barycentric; at 250 au from the Sun)

Epoch (TT) 23201205
time of perihelion passage (TT) 20130519.360295 ± 0.000129
perihelion distance 5.89477684 ± 0.00000080
eccentricity 0.99954820 ± 0.00000089
argument of perihelion [deg] 118.512138 ± 0.000012
longitude of the ascending node [deg] 93.485886 ± 0.000003
inclination [deg] 125.361025 ± 0.000002
inverse semimajor axis [10-6 au-1] 76.64 ± 0.15


Future barycentric positions and velocities of 5001 VCs at 250 au from the Sun are given here   (data format), i.e. after leaving the planetary zone.





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