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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152940354496097 2.7921e-08  
a 2.255745708204312 7.7877e-09 au
q 1.910751159938495 6.3515e-08 au
i 7.893825210175986 3.8131e-06 deg
node 58.28995798928924 2.431e-05 deg
peri 224.2413303474656 2.7824e-05 deg
M 135.8544763426141 1.4673e-05 deg
tp 2458133.512679900689
(2018-Jan-15.01267990)
4.9927e-05 TDB
period 1237.467029145057
3.39
6.4083e-06
1.754e-08
d
yr
n .2909168418399942 1.5065e-09 deg/d
Q 2.600740256470129 8.9788e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1999  
   data-arc span      13917 days (38.10 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:38:48  

Additional Information
 Earth MOID = .902924 au 
 Jupiter MOID = 2.5323 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 ]
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