Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09842144300340239 8.0229e-08  
a 5.240459953329416 1.0216e-07 AU
q 4.724686322721192 4.1772e-07 AU
i 7.958017997894049 9.2019e-06 deg
node 220.1194063054035 4.1953e-05 deg
peri 160.2627041132869 5.5966e-05 deg
M 43.16431430257364 3.4264e-05 deg
tp 2456475.118371784515
(2013-Jul-01.61837178)
0.00041817 JED
period 4381.799855124713
12.00
0.00012813
3.508e-07
d
yr
n .08215801996957113 2.4024e-09 deg/d
Q 5.75623358393764 1.1221e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      1236  
   data-arc span      22413 days (61.36 yr)  
   first obs. used      1953-10-31  
   last obs. used      2015-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53591  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:17:56  

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 LCDB (Rev. 2015-Feb); Warner et al., 2009 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
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Apr-18 07:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin