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 ]  
6090 (1989 DJ)
Classification: Jupiter Trojan          SPK-ID: 2006090
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 .0566305202259097 8.3546e-08  
a 5.31364814062937 1.5512e-07 AU
q 5.012733482128091 4.2808e-07 AU
i 20.18030393827715 1.2803e-05 deg
node 328.5343751714405 1.8489e-05 deg
peri 73.61714066015676 0.00011138 deg
M 139.6777913089213 0.00010858 deg
tp 2455264.648878076026
(2010-Mar-09.14887808)
0.0013494 JED
period 4473.91384153937
12.25
0.00019591
5.364e-07
d
yr
n .08046645794951929 3.5236e-09 deg/d
Q 5.614562799130649 1.6391e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      21945 days (60.08 yr)  
   first obs. used      1954-03-28  
   last obs. used      2014-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47915  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:06:06  

Additional Information
 Earth MOID = 4.08039 AU 
 T_jup = 2.873 
[ 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 9.40 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
diameter diameter 74.53 km 6.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
rotation period rot_per 18.476 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
geometric albedo albedo 0.0553   0.011 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9

6090 (1989 DJ)          Discovered 1989-Feb-27 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 DJ = 1977 EH2 = 1983 OH = 1990 FO1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-20 03:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin