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JPL Small-Body Database Browser
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18064 (1999 XY242)
Classification: Main-belt Asteroid          SPK-ID: 2018064
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263244394380052 3.5068e-08  
a 2.563834406653033 1.2651e-08 au
q 2.239959462420718 9.2681e-08 au
i 13.2214603827619 4.569e-06 deg
node 210.6893615503766 1.5943e-05 deg
peri 264.2056609619227 2.4803e-05 deg
M 258.5156320848566 1.8978e-05 deg
tp 2459023.197845683926
(2020-Jun-22.69784568)
7.9306e-05 TDB
period 1499.454818238135
4.11
1.1099e-05
3.039e-08
d
yr
n .2400872607972285 1.7771e-09 deg/d
Q 2.887709350885348 1.425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1643  
   data-arc span      24187 days (66.22 yr)  
   first obs. used      1953-09-16  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45209  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:25:12  

Additional Information
 Earth MOID = 1.30169 au 
 Jupiter MOID = 2.33757 au 
 T_jup = 3.385 
[ 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 13.3   n/a MPO350946  
diameter diameter 5.446 km 0.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18064 (1999 XY242)          Discovered 1999-Dec-13 by CSS at Catalina
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XY242 = 1982 VJ = 1998 QB88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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