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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .380963360746228 4.2391e-06  
a 26.07666349927703 0.00072213 au
q 16.14241013554396 0.00034237 au
i 12.6401934253004 2.1308e-05 deg
node 51.96825493319452 0.00014173 deg
peri 300.5644612474009 0.0028186 deg
M 84.49428733317558 0.0042313 deg
tp 2447784.832585091359
(1989-Sep-15.33258509)
0.097676 TDB
period 48638.08429038627
133.16
2.0204
0.005532
d
yr
n .007401607305309865 3.0746e-07 deg/d
Q 36.0109168630101 0.00099724 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      7773 days (21.28 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .6822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:15:24  

Additional Information
 Earth MOID = 15.155 au 
 Jupiter MOID = 11.2747 au 
 T_jup = 4.239 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.8   n/a MPO553931  

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.arcLast Updated: 2005-04-26
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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