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JPL Small-Body Database Browser
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20381 (1998 KX47)
Classification: Main-belt Asteroid          SPK-ID: 2020381
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05469787442296613 3.7948e-08  
a 2.362269782833421 8.6899e-09 au
q 2.233058646898831 9.0757e-08 au
i 8.667502777541898 3.6844e-06 deg
node 71.06266658429855 2.6922e-05 deg
peri 125.4657759972581 4.4071e-05 deg
M 323.8935958199107 3.4177e-05 deg
tp 2458733.506972296924
(2019-Sep-07.00697230)		 0.00012594 TDB
period 1326.150058811378
3.63		 7.3176e-06
2.003e-08		 d
yr
n .2714624922029308 1.4979e-09 deg/d
Q 2.49148091876801 9.1652e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2003  
   data-arc span      13714 days (37.55 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:51:59  

Additional Information
 Earth MOID = 1.24004 au 
 Jupiter MOID = 2.48888 au 
 T_jup = 3.533 
[ 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 14.1   n/a MPO492967  
diameter diameter 4.652 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20381 (1998 KX47)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KX47 = 1981 UA22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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