Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
17442 (1989 UO5)
Classification: Jupiter Trojan          SPK-ID: 2017442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04663768283677217 7.1498e-08  
a 5.242948634660419 1.0209e-07 au
q 4.998429659107639 4.073e-07 au
i 15.76504400232052 8.1792e-06 deg
node 31.35366225432442 1.7393e-05 deg
peri 323.1134589214315 7.341e-05 deg
M 237.4951708225062 7.5346e-05 deg
tp 2460692.650193472836
(2025-Jan-17.15019347)
0.00093902 TDB
period 4384.921584372192
12.01
0.00012807
3.506e-07
d
yr
n .08209952973458765 2.3979e-09 deg/d
Q 5.487467610213201 1.0685e-07 au
  Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      17004 days (46.55 yr)  
   first obs. used      1974-07-24  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53028  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:03:19  

Additional Information
 Earth MOID = 4.00779 au 
 Jupiter MOID = .00945402 au 
 T_jup = 2.922 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.8   n/a MPO365462  
diameter diameter 23.374 km 0.570 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.081   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

17442 (1989 UO5)          Discovered 1989-Oct-30 by Bus, S. J. at Cerro Tololo
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 UO5 = 1977 UK5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 18:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin