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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09842141622398087 8.1786e-08  
a 5.240459984505403 1.0359e-07 AU
q 4.72468649116528 4.2916e-07 AU
i 7.958015526214782 9.5168e-06 deg
node 220.1194154312187 4.3055e-05 deg
peri 160.2626951917532 5.6828e-05 deg
M 43.16431143874528 3.4312e-05 deg
tp 2456475.118401953761
(2013-Jul-01.61840195)
0.00041866 JED
period 4381.799894226319
12.00
0.00012992
3.557e-07
d
yr
n .08215801923642249 2.436e-09 deg/d
Q 5.756233477845526 1.1378e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      1136  
   data-arc span      22337 days (61.16 yr)  
   first obs. used      1953-10-31  
   last obs. used      2014-12-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53962  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:06:47  

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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