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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
85807 (1998 WR10)
Classification: Jupiter Trojan          SPK-ID: 2085807
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08796748532617542 6.5562e-08  
a 5.181993768675801 1.2843e-07 au
q 4.72614680786948 4.0632e-07 au
i 26.4793641427948 6.6305e-06 deg
node 237.8440323072476 1.7514e-05 deg
peri 205.2028389245434 6.2526e-05 deg
M 277.0311275248558 6.6932e-05 deg
tp 2459993.516452208113
(2023-Feb-18.01645221)
0.00082476 TDB
period 4308.675195050003
11.80
0.00016018
4.385e-07
d
yr
n .0835523644050923 3.1061e-09 deg/d
Q 5.637840729482122 1.3973e-07 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      7684 days (21.04 yr)  
   first obs. used      1998-11-11  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:03:36  

Additional Information
 Earth MOID = 3.75517 au 
 Jupiter MOID = .215011 au 
 T_jup = 2.784 
[ 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 11.9   n/a MPO253867  
diameter diameter 22.309 km 0.439 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

85807 (1998 WR10)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 WR10 = 2004 HE16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-09 19:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin