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245510 (2005 SK2)
Classification: Main-belt Asteroid          SPK-ID: 2245510
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638842407548211 6.3157e-08  
a 2.786574302296051 2.0874e-08 au
q 2.329898688457368 1.7488e-07 au
i 2.533434507167688 6.147e-06 deg
node 250.0633242774185 0.00018891 deg
peri 60.56925138449606 0.00019025 deg
M 80.3094161792411 2.1943e-05 deg
tp 2458621.474581039890
(2019-May-17.97458104)
0.000103 TDB
period 1699.042992930011
4.65
1.9091e-05
5.227e-08
d
yr
n .2118839849833215 2.3808e-09 deg/d
Q 3.243249916134735 2.4295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      7543 days (20.65 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55126  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:34:45  

Additional Information
 Earth MOID = 1.31678 au 
 Jupiter MOID = 2.02314 au 
 T_jup = 3.310 
[ 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 16.8   n/a MPO413143  
diameter diameter 2.965 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245510 (2005 SK2)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2005 SK2 = 2004 GT81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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