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150339 (1999 XX27)
Classification: Outer Main-belt Asteroid          SPK-ID: 2150339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390976668607983 5.5438e-08  
a 3.238900957130152 3.3747e-08 au
q 2.788377390800141 1.6679e-07 au
i 25.37766078949885 7.3497e-06 deg
node 70.48148052261942 1.4411e-05 deg
peri 44.19137054848083 3.7224e-05 deg
M 179.4773153653922 3.0662e-05 deg
tp 2458139.044009047274
(2018-Jan-20.54400905)
0.00018139 TDB
period 2129.094453886981
5.83
3.3276e-05
9.11e-08
d
yr
n .1690859695504659 2.6427e-09 deg/d
Q 3.689424523460162 3.8441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      1999-11-05  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57087  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:03:52  

Additional Information
 Earth MOID = 1.84878 au 
 Jupiter MOID = 1.73839 au 
 T_jup = 3.018 
[ 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 14.5   n/a MPO436758  
diameter diameter 8.968 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150339 (1999 XX27)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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