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227489 (2005 XS28)
Classification: Main-belt Asteroid          SPK-ID: 2227489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251508098915979 4.8925e-08  
a 2.695016277562216 2.0212e-08 au
q 2.088231179998044 1.3164e-07 au
i 14.81747512776906 5.9243e-06 deg
node 64.97126362666268 2.4627e-05 deg
peri 14.62976328801215 2.8479e-05 deg
M 163.524236556294 1.5055e-05 deg
tp 2458466.459292312056
(2018-Dec-13.95929231)
6.4256e-05 TDB
period 1615.9968719786
4.42
1.818e-05
4.977e-08
d
yr
n .2227727084392323 2.5062e-09 deg/d
Q 3.301801375126389 2.4763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      2000-10-29  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:31  

Additional Information
 Earth MOID = 1.10601 au 
 Jupiter MOID = 2.01506 au 
 T_jup = 3.286 
[ 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 15.84   n/a E2021B55  
diameter diameter 1.790 km 0.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227489 (2005 XS28)          Discovered 2005-Dec-01 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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