IOA UAM
CBK PAN
Catalogue of Cometary Orbits and their Dynamical Evolution
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Changelog
Orbit
previous
original
osculating
future
next
show only preferred orbits
Orbital Elements
T [TT]
perihelion time
use format
YYYY
or
YYYY MM
or
YYYY MM DD
Error message
q [au]
perihelion
Error message
e
eccentricity
Error message
a [10
3
au]
semi-major axis
Error message
Q [10
3
au]
aphelion
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ω [°]
argument of perihelion
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Ω [°]
ascending node
Error message
i [°]
inclination
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Data
Data Interval Length
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Data Interval Unit
year
month
day
Data type
any
PRE – observed only before perihelion
PRE+ – significantly more measurements before perihelion
PRE++ – almost all measurements before perihelion
FULL – perihelion within the observation arc
POST++ – almost all measurements after perihelion
POST+ – significantly more measurements after perihelion
POST – observed only after perihelion
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Type of Orbital Solution
Data Arc Selection
any
STD – entire data set
PRE – data generally limited to pre-perihelion
POS – data generally limited to post-perihelion
DIS – only data taken in large heliocentric distance
NEA – only data around perihelion (small q)
Data Weighting
any
YES
NO
Model Type
any
GR – gravitational orbit
NG – non-gravitational orbit
NS – non-gravitational orbits for standard g(r)
NT – non-gravitational orbits for asymmetric, standard g(r)
NN – non-gravitational orbits for dedicated g(r)-like function
NC – non-gravitational orbits for symmetric CO-g(r)-like function
CT – non-gravitational orbits for assymetric CO-g(r)-like function
NH – non-gravitational orbits for water sublimation from subsolar point
NI – non-gravitational orbits for water sublimation from subsolar point, asymmetric.
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Orbital Elements
T [Myr]
time interval to previous/next perihelion
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q [au]
perihelion distance
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Q [10
3
au]
aphelion distance
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Swarm
R
no. of returning VCs in the swarm
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E
no. of escaping VCs in the swarm
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p1
% of VCs with q < 10
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p2
% of VCs with 10 < q < 20
Error message
p3
% of VCs with q > 20
Error message
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