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

Significant website upgrade scheduled for September 27. More details available here.

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08851143889439143 6.4746e-08  
a 5.183480634632636 1.0679e-07 au
q 4.724683305180088 4.0285e-07 au
i 26.47757655997287 5.4648e-06 deg
node 237.849356726011 1.6075e-05 deg
peri 205.1570095656033 5.3142e-05 deg
M 310.2090573255756 5.506e-05 deg
tp 2459992.681499929254
(2023-Feb-17.18149993)
0.00066818 TDB
period 4310.529755942457
11.80
0.00013321
3.647e-07
d
yr
n .0835164168635438 2.5809e-09 deg/d
Q 5.642277964085184 1.1624e-07 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      8301 days (22.73 yr)  
   first obs. used      1998-11-11  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47877  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:31:59  

Additional Information
 Earth MOID = 3.75349 au 
 Jupiter MOID = .217222 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 12.05   n/a E2021B10  
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 2021-Sep-22 04:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin