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4348 Poulydamas (1988 RU)
Classification: Jupiter Trojan          SPK-ID: 2004348
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09842143792039391 9.5777e-08  
a 5.240459961640534 1.1693e-07 AU
q 4.72468635685162 5.2945e-07 AU
i 7.958015210419514 1.0738e-05 deg
node 220.1194170123423 4.9219e-05 deg
peri 160.2626941728246 6.1654e-05 deg
M 43.16431288255211 3.4562e-05 deg
tp 2456475.118387818698
(2013-Jul-01.61838782)
0.00042081 JED
period 4381.799865548699
12.00
0.00014666
4.015e-07
d
yr
n .08215801977412311 2.7498e-09 deg/d
Q 5.756233566429447 1.2844e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      22256 days (60.93 yr)  
   first obs. used      1953-10-31  
   last obs. used      2014-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55384  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:55:55  

Additional Information
 Earth MOID = 3.72884 AU 
 T_jup = 2.971 
[ 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 9.5 mag n/a MPO265981  
rotation period rot_per 9.908 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]

4348 Poulydamas (1988 RU)          Discovered 1988-Sep-11 by Shoemaker, C. S. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 RU = 1977 SP1 = 1977 TV4 = 1983 GJ = 1988 PK4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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