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245068 (2004 GY39)
Classification: Main-belt Asteroid          SPK-ID: 2245068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .07906060145640187 6.9193e-08  
a 3.165365469228664 4.1154e-08 au
q 2.91510977140212 2.4111e-07 au
i 7.401224066641422 5.8504e-06 deg
node 277.5391322521041 4.7866e-05 deg
peri 289.0596801587419 6.31e-05 deg
M 317.8699720689059 4.389e-05 deg
tp 2459241.226257307234
(2021-Jan-26.72625731)
0.00025224 TDB
period 2056.999648145112
5.63
4.0115e-05
1.098e-07
d
yr
n .1750121835580419 3.4131e-09 deg/d
Q 3.415621167055209 4.4407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5770 days (15.80 yr)  
   first obs. used      2004-04-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:39:39  

Additional Information
 Earth MOID = 1.92102 au 
 Jupiter MOID = 1.65464 au 
 T_jup = 3.186 
[ 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 15.7   n/a MPO422952  
diameter diameter 4.767 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245068 (2004 GY39)          Discovered 2004-Apr-15 by Siding Spring Survey at Siding Spring
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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