2011MNRAS.418.2330W

Query : 2011MNRAS.418.2330W

2011MNRAS.418.2330W - Mon. Not. R. Astron. Soc., 418, 2330-2335 (2011/December-3)

Analysis of the orbit of the Centaur asteroid 2009 HW77.

WLODARCZYK I., CERNIS K. and EGLITIS I.

Abstract (from CDS):

We present the time evolution of orbital elements of the Centaur asteroid 2009 HW77, discovered by KC and IE, forwards and backwards in time over a 10-Myr period. The dynamical behaviour is analysed using three software packages: the ORBFIT, the SWIFT and the MERCURY integrators. Changes in the orbital elements of 2009 HW77 clones are calculated using the classification of Horner et al. It is shown that close approaches to the giant planets significantly change the asteroid orbit. Our computations made with the SWIFT software and with the MERCURY software give similar results. The half-life is about 5 Myr in both the forward and backward integrations.

Moreover, our computations suggest that the Centaur asteroid will be temporarily locked as a periodic asteroid connected with Jupiter with a Tisserand parameter smaller than 3. Hence it is dynamically similar to the Jupiter Family Comets. The mean duration in this state is about 82 kyr, but the behaviour and lifetime depend on whether capture occurs after a few hundred thousand years or a few hundred million years.

Several clones of this dynamically interesting Centaur asteroid are temporarily locked up to four times as periodic asteroids connected with Jupiter, after which they are ejected from the Solar system. According to Bailey and Malhotra, asteroid 2009 HW77 may belong to the diffusing class of Centaurs, which can evolve into Jupiter Family Comets.


Abstract Copyright: 2011 The Authors. Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): astrometry - minor planets, asteroids: individual: 2009 HW77

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 * iot Vir PM* 14 16 00.8682760805 -06 00 01.969483331 4.64 4.60 4.08     F7III 372 0

Query : 2011MNRAS.418.2330W

Basic data :
* iot Vir -- High Proper Motion Star
Other object types: otypes_help 		* (*,BD,...), PM* (2007A&A,LTT,...), UV (2EUVE,EUVE,...), ** (**,WDS), V* (CSV,NSV), X (RBS,1RXS), MIR (WISEA,WISE), IR (IRAS,IRC), Ro* (1996ApJ), NIR (2MASS)
ICRS coord. (ep=J2000) : 		14 16 00.8682760805 -06 00 01.969483331 (Optical) [ 0.2410 0.2066 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		14 13 23.3749591929 -05 45 47.147626110 [ 0.2410 0.2066 90 ]
Gal coord. (ep=J2000) : 		337.7405290484679 +51.0645788116425 [ 0.2410 0.2066 90 ]
Proper motions mas/yr : 		-26.606 -414.866 [0.291 0.233 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 12.079 [0.0007] / z(spectroscopic) 0.000040 [0.000000] / cz 12.08 [0.00]
   (Opt) A 2018A&A...616A...7S
Parallaxes (mas): 		45.4014 [0.2858] A 2020yCat.1350....0G
Spectral type: 		F7III C 2001AJ....121.2148G
Fluxes (7) :
U 4.64 [~] C 2002yCat.2237....0D
B 4.60 [~] C 2002yCat.2237....0D
V 4.08 [~] C 2002yCat.2237....0D
G 3.942037 [0.003753] C 2022yCat.1355....0G
J 3.140 [0.266] D 2003yCat.2246....0C
H 2.909 [0.236] D 2003yCat.2246....0C
K 2.801 [0.266] D 2003yCat.2246....0C
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Identifiers (53) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LTT 5603 GJ 9473 PLX 3241.00 TYC 4982-1645-1
* iot Vir HD 124850 PMC 90-93 375 UBV 12546
* 99 Vir HIC 69701 PPM 197358 UBV M 20072
** SHY 71C HIP 69701 RAVE J141600.9-060002 uvby98 100124850
BD-05 3843 HR 5338 RBS 1359 WDS J14190-0636C
Ci 20 842 IRAS 14133-0545 2RE J1415-055 WEB 12135
CNS5 3520 IRC -10302 2RE J141559-055905 WISEA J141600.87-060006.3
CSV 7112 JP11 2484 ROT 2043 WISE J141600.86-060005.8
2EUVE J1416-05.9 2MASS J14160086-0600016 1RXS J141600.9-055955 YZ 95 5069
EUVE J1416-05.9 N30 3230 SACS 306 Gaia DR2 3640828731549668608
FK5 525 NAME Syrma SAO 139824 Gaia DR3 3640828731549972480
GC 19244 NLTT 36758 SKY# 26035
GCRV 8342 NSV 6604 TD1 17349
GEN# +1.00124850 PLX 3241 TIC 6029884

References (372 between 1850 and 2026) (Total 372)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 16    Distance : 3    Var : 1    Rot : 19    Fe/H : 39    Plx : 5    PM : 9    SpT : 14   

   

Observing logs
ISO : 1    IUE : 4   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : * iot Vir

Link by name to the catalogue in VizieR :

BD-05 3843 EUVE J1416-05.9 FK5 525 GJ 9473 HD 124850
HIC 69701 HIP 69701 HR 5338 IRAS 14133-0545 IRC -10302
2MASS J14160086-0600016 NLTT 36758 NSV 6604 PLX 3241 PPM 197358
RAVE J141600.9-060002 2RE J1415-055 2RE J141559-055905 1RXS J141600.9-055955 SAO 139824
TD1 17349 TYC 4982-1645-1 uvby98 100124850 WDS J14190-0636C WISEA J141600.87-060006.3
WISE J141600.86-060005.8 Gaia DR2 3640828731549668608 Gaia DR3 3640828731549972480

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