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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09856699734993213 1.0124e-07  
a 5.240519259283521 1.2349e-07 AU
q 4.723977011341454 5.6873e-07 AU
i 7.958084922304394 1.0994e-05 deg
node 220.1195584283641 5.0884e-05 deg
peri 160.1525232937174 6.2954e-05 deg
M 26.81686491203643 3.4629e-05 deg
tp 2456474.088529149012
(2013-Jun-30.58852915)
0.00042141 JED
period 4381.874238163217
12.00
0.00015489
4.241e-07
d
yr
n .08215662532362041 2.904e-09 deg/d
Q 5.757061507225588 1.3566e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      22037 days (60.33 yr)  
   first obs. used      1953-10-31  
   last obs. used      2014-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55733  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:01:00  

Additional Information
 Earth MOID = 3.72689 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. 2013-Sep-12) 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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