Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01819605399138613 5.5487e-08  
a 5.163810760371528 9.7834e-08 au
q 5.069849780974507 3.3821e-07 au
i 27.16150390270394 7.4457e-06 deg
node 335.2010117935248 1.0537e-05 deg
peri 275.4281769723394 0.00023434 deg
M 316.2873002502205 0.00023727 deg
tp 2459120.926057350055
(2020-Sep-28.42605735)
0.0028252 TDB
period 4286.017146469314
11.73
0.0001218
3.335e-07
d
yr
n .08399406434865914 2.387e-09 deg/d
Q 5.25777173976855 9.9614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1698  
   data-arc span      11197 days (30.66 yr)  
   first obs. used      1988-09-10  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:44:02  

Additional Information
 Earth MOID = 4.12336 au 
 Jupiter MOID = .13911 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-January); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin