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JPL Small-Body Database Browser
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19493 (1998 JY1)
Classification: Main-belt Asteroid          SPK-ID: 2019493
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241321983658224 3.9195e-08  
a 2.640623721258802 1.2238e-08 au
q 2.312837293682009 1.0551e-07 au
i 6.10206268088927 3.9022e-06 deg
node 302.9599362339384 4.0047e-05 deg
peri 74.32456890585476 4.3169e-05 deg
M 277.0776194574316 1.8032e-05 deg
tp 2459361.516846197943
(2021-May-27.01684620)
7.9723e-05 TDB
period 1567.321919376654
4.29
1.0896e-05
2.983e-08
d
yr
n .2296911665365957 1.5967e-09 deg/d
Q 2.968410148835596 1.3757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1659  
   data-arc span      12882 days (35.27 yr)  
   first obs. used      1984-02-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48274  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:43:44  

Additional Information
 Earth MOID = 1.32312 au 
 Jupiter MOID = 2.54399 au 
 T_jup = 3.376 
[ 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 13.5   n/a MPO474022  
diameter diameter 4.455 km 1.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.426   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19493 (1998 JY1)          Discovered 1998-May-01 by JPL/GEODSS NEAT at Haleakala
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 JY1 = 1984 CQ1 = 1999 RP70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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