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JPL Small-Body Database Browser
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19107 (1981 EU19)
Classification: Main-belt Asteroid          SPK-ID: 2019107
[ 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396764418588624 3.1336e-08  
a 2.313723674120293 7.9583e-09 au
q 1.990550983874557 7.1599e-08 au
i 5.39529550136889 4.5262e-06 deg
node 345.7614165534761 3.503e-05 deg
peri 289.1655415305902 3.8502e-05 deg
M 325.8423473911635 1.6472e-05 deg
tp 2459122.469481871931
(2020-Sep-29.96948187)		 5.8952e-05 TDB
period 1285.48100118964
3.52		 6.6323e-06
1.816e-08		 d
yr
n .2800508134051304 1.4449e-09 deg/d
Q 2.63689636436603 9.0699e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      14245 days (39.00 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:41:43  

Additional Information
 Earth MOID = .982251 au 
 Jupiter MOID = 2.49045 au 
 T_jup = 3.564 
[ 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 14.7   n/a MPO467920  
diameter diameter 3.056 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19107 (1981 EU19)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EU19 = 1995 DZ12 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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