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249537 (2010 GK157)
Classification: Main-belt Asteroid          SPK-ID: 2249537
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205256574097022 6.018e-08  
a 2.672474273361675 2.5957e-08 au
q 2.350372554654243 1.5013e-07 au
i 2.830002506845831 5.9618e-06 deg
node 245.9907322033338 0.00011435 deg
peri 277.6523980988028 0.00011712 deg
M 152.9113773027198 2.6303e-05 deg
tp 2458322.693037038206
(2018-Jul-23.19303704)
0.00011322 TDB
period 1595.764232658611
4.37
2.3248e-05
6.365e-08
d
yr
n .2255972358775235 3.2867e-09 deg/d
Q 2.994575992069108 2.9085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6698 days (18.34 yr)  
   first obs. used      2001-03-27  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71584  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:50  

Additional Information
 Earth MOID = 1.36009 au 
 Jupiter MOID = 1.99642 au 
 T_jup = 3.368 
[ 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 16.6   n/a MPO433635  
diameter diameter 2.773 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249537 (2010 GK157)          Discovered 2010-Apr-10 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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