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 ]  
13802 (1998 WR3)
Classification: Main-belt Asteroid          SPK-ID: 2013802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530595964903173 2.7416e-08  
a 2.255430146928547 7.5292e-09 au
q 1.910214918727567 6.2689e-08 au
i 7.893160795260212 3.407e-06 deg
node 58.28273672762036 2.3801e-05 deg
peri 224.3326689511965 2.6985e-05 deg
M 252.1241245068077 1.4443e-05 deg
tp 2459371.235633967089
(2021-Jun-05.73563397)
5.0319e-05 TDB
period 1237.207370211095
3.39
6.1951e-06
1.696e-08
d
yr
n .2909778980209081 1.457e-09 deg/d
Q 2.600645375129528 8.6816e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2276  
   data-arc span      14061 days (38.50 yr)  
   first obs. used      1981-10-30  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:55:30  

Additional Information
 Earth MOID = .902944 au 
 Jupiter MOID = 2.53346 au 
 T_jup = 3.596 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO347634  
diameter diameter 4.130 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.376   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13802 (1998 WR3)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WR3 = 1981 UD7 = 1997 JK16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-21 02:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin