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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530595949925739 2.7851e-08  
a 2.255430146233423 7.7784e-09 au
q 1.910214921516894 6.3391e-08 au
i 7.893160216295818 3.7624e-06 deg
node 58.28273876251963 2.4206e-05 deg
peri 224.3326686746868 2.7674e-05 deg
M 252.1241232534633 1.4762e-05 deg
tp 2459371.235638103050
(2021-Jun-05.73563810)
5.1305e-05 TDB
period 1237.207369639134
3.39
6.4002e-06
1.752e-08
d
yr
n .2909778981554272 1.5053e-09 deg/d
Q 2.600645370949953 8.9689e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      13947 days (38.18 yr)  
   first obs. used      1981-10-30  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:15:41  

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 ]
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