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JPL Small-Body Database Browser
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249920 (2001 SK288)
Classification: Main-belt Asteroid          SPK-ID: 2249920
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842302035931785 5.6194e-08  
a 2.732132918519806 1.4262e-08 au
q 2.228791514697278 1.5472e-07 au
i 12.11421783596418 7.3448e-06 deg
node 342.1995021498831 2.0654e-05 deg
peri 36.58686869832346 2.5535e-05 deg
M 313.5296148247029 1.4999e-05 deg
tp 2458813.424155922301
(2019-Nov-25.92415592)		 6.9132e-05 TDB
period 1649.495605488888
4.52		 1.2916e-05
3.536e-08		 d
yr
n .2182485353716968 1.709e-09 deg/d
Q 3.235474322342335 1.689e-08 au
   Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      6685 days (18.30 yr)  
   first obs. used      2001-08-17  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52563  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:46:17  

Additional Information
 Earth MOID = 1.24055 au 
 Jupiter MOID = 2.28312 au 
 T_jup = 3.297 
[ 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 15.8   n/a MPO460092  
diameter diameter 2.007 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249920 (2001 SK288)          Discovered 2001-Sep-28 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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