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5511 Cloanthus (1988 TH1)
Classification: Jupiter Trojan          SPK-ID: 2005511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116759286591211 4.2716e-08  
a 5.243399894670041 9.0996e-08 au
q 4.631184263655936 2.5022e-07 au
i 11.16730033937256 5.8486e-06 deg
node 172.672354210626 2.3563e-05 deg
peri 121.2776032081317 3.5377e-05 deg
M 273.4276907053049 2.9491e-05 deg
tp 2459655.116107043977
(2022-Mar-16.61610704)
0.00037172 TDB
period 4385.487711127701
12.01
0.00011416
3.126e-07
d
yr
n .08208893142866161 2.1369e-09 deg/d
Q 5.855615525684146 1.0162e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1660  
   data-arc span      24757 days (67.78 yr)  
   first obs. used      1951-07-30  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52195  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:08:25  

Additional Information
 Earth MOID = 3.63199 au 
 Jupiter MOID = .0123727 au 
 T_jup = 2.949 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.3   n/a MPO439117  
diameter diameter 39.773 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 336. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
geometric albedo albedo 0.093   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5511 Cloanthus (1988 TH1)          Discovered 1988-Oct-08 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 TH1 = 1989 VU3 = 1989 WA7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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