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295231 (2008 GY12)
Classification: Main-belt Asteroid          SPK-ID: 2295231
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06480958607328838 7.3819e-08  
a 3.133389153121727 4.5597e-08 au
q 2.930315499101377 2.4079e-07 au
i 13.73903543780204 7.5753e-06 deg
node 182.6474122345756 2.4148e-05 deg
peri 184.2725149031305 5.6599e-05 deg
M 262.8815691742326 5.4606e-05 deg
tp 2459547.036393194086
(2021-Nov-28.53639319)
0.00031419 TDB
period 2025.908984287961
5.55
4.4222e-05
1.211e-07
d
yr
n .1776980124931564 3.8788e-09 deg/d
Q 3.336462807142079 4.8552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:03:41  

Additional Information
 Earth MOID = 1.92864 au 
 Jupiter MOID = 2.02459 au 
 T_jup = 3.165 
[ 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 15.7   n/a MPO437320  
diameter diameter 4.598 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295231 (2008 GY12)          Discovered 2008-Apr-03 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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