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523855 (1995 SK87)
Classification: Main-belt Asteroid          SPK-ID: 2523855
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931042958987847 7.6888e-08  
a 2.74178105758484 3.1623e-08 au
q 2.212331356951294 2.0228e-07 au
i 10.49421071195829 8.4361e-06 deg
node 283.6346242795119 4.7983e-05 deg
peri 41.33050298535682 6.6633e-05 deg
M 82.36454805251337 3.9151e-05 deg
tp 2458221.110416014856
(2018-Apr-12.61041601)
0.00017679 TDB
period 1658.240753625843
4.54
2.8689e-05
7.855e-08
d
yr
n .2170975470315986 3.756e-09 deg/d
Q 3.271230758218385 3.773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      8453 days (23.14 yr)  
   first obs. used      1995-09-26  
   last obs. used      2018-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:39  

Additional Information
 Earth MOID = 1.21074 au 
 Jupiter MOID = 2.07862 au 
 T_jup = 3.298 
[ 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 17.1   n/a MPO441652  
diameter diameter 2.422 km 0.648 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

523855 (1995 SK87)          Discovered 1995-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

Alternate Designations
 1995 SK87 = 2010 BW27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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