+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   52975 Cyllarus (1998 TF35) Classification: Centaur          SPK-ID: 2052975 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3803903124784848 7.4264e-05   a 26.05582042736673 0.0055038 au q 16.14443875311741 0.0015741 au i 12.64436917070065 0.0002957 deg node 52.00719740846974 0.00017786 deg peri 300.4390551085543 0.016611 deg M 83.20058900180287 0.031932 deg tp 2447773.093277561935 (1989-Sep-03.59327756) 0.75331 TDB period 48579.781328112 133.00 15.392 0.04214 d yr n .007410490334827348 2.348e-06 deg/d Q 35.96720210161605 0.0075974 au   Orbit Determination Parameters    # obs. used (total)      29      data-arc span      3636 days (9.95 yr)      first obs. used      1998-10-12      last obs. used      2008-09-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .65665      source      ORB      producer      Otto Matic      solution date      2017-Apr-11 18:36:56   Additional Information  Earth MOID = 15.1588 au   Jupiter MOID = 11.2761 au   T_jup = 4.238  [ hide covariance matrix ] Orbital Elements at Epoch 2451450.5 (1999-Sep-29.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3840388903124076 7.6909e-05   q 16.28242069922923 0.0015544 au tp 2447825.367139110343 (1989-Oct-25.86713911) 0.75708 TDB node 51.95687065970862 0.00017799 deg peri 301.7147782513947 0.016349 deg i 12.61439801521013 0.00029494 deg   Orbit Determination Parameters    # obs. used (total)      29      data-arc span      3636 days (9.95 yr)      first obs. used      1998-10-12      last obs. used      2008-09-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .65665      source      ORB      producer      Otto Matic      solution date      2017-Apr-11 18:36:56   Additional Information  Jupiter MOID = 11.2761 au   T_jup = 4.238  Orbit Covariance (6×6)   e q tp node peri i e 5.914946706652198E-9 1.065886654236768E-7 5.615025205547855E-5 2.995649272507611E-9 1.176914588427371E-6 1.283626012432287E-10 q 1.065886654236768E-7 2.416079747329353E-6 .001150307383921421 6.641472361738867E-8 2.524129408259324E-5 8.642879010539341E-9 tp 5.615025205547855E-5 .001150307383921421 .5731765301892729 3.18181269537122E-5 .01231905819974338 2.976545797141032E-6 node 2.995649272507611E-9 6.641472361738867E-8 3.18181269537122E-5 3.167990042125933E-8 6.668861944626528E-7 -6.868976509199304E-9 peri 1.176914588427371E-6 2.524129408259324E-5 .01231905819974338 6.668861944626528E-7 .0002672994404714635 8.38470850250823E-8 i 1.283626012432287E-10 8.642879010539341E-9 2.976545797141032E-6 -6.868976509199304E-9 8.38470850250823E-8 8.699198743970891E-8 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 9.4   n/a MPO157273   52975 Cyllarus           Discovered 1998 Oct. 12 by N. Danzl at Kitt Peak. The centaur Cyllarus was severely wounded by a spear in a battle that finally caused his death. On seeing him wounded, his lover Hylonome committed suicide. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030614/MPCPages.arc Last Updated: 2005-04-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Sep-21 02:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin