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JPL Small-Body Database Browser
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4867 Polites (1989 SZ)
Classification: Jupiter Trojan          SPK-ID: 2004867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01871111507518924 5.5169e-08  
a 5.165225557018831 9.5173e-08 au
q 5.068578427232143 3.3415e-07 au
i 27.16009091101088 7.1003e-06 deg
node 335.1935009352434 1.0427e-05 deg
peri 276.7644795936967 0.00021134 deg
M 348.6191920817043 0.00021338 deg
tp 2459136.051071968273
(2020-Oct-13.55107197)
0.0025412 TDB
period 4287.778711222292
11.74
0.00011851
3.245e-07
d
yr
n .08395955674153177 2.3205e-09 deg/d
Q 5.261872686805519 9.6953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      11464 days (31.39 yr)  
   first obs. used      1988-09-10  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:24:05  

Additional Information
 Earth MOID = 4.12235 au 
 Jupiter MOID = .139349 au 
 T_jup = 2.780 
[ 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 9.8   n/a MPO435745  
diameter diameter 57.251 km 0.786 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 11.235 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; French, L.M.; Davitt, C.; Coley, D.R. (2014) Minor Planet Bull. 41, 95-100.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2015) Minor Planet Bull. 42, 216-224.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 265-270.]
[Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 252-257.]
[Stephens, R.D.; Warner, B.D. (2018) Minor Planet Bull. 45, 301-304.]
geometric albedo albedo 0.071   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4867 Polites (1989 SZ)          Discovered 1989-Sep-27 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 SZ = 1988 RN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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