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305536 (2008 GU59)
Classification: Outer Main-belt Asteroid          SPK-ID: 2305536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07033559591173463 7.2274e-08  
a 3.211666348369171 4.4192e-08 au
q 2.98577188188696 2.3662e-07 au
i 10.72215672073036 7.091e-06 deg
node 156.1263003525708 3.3103e-05 deg
peri 218.2948525589818 5.6578e-05 deg
M 208.686498931574 4.6641e-05 deg
tp 2459884.127529657186
(2022-Oct-31.62752966)
0.0002781 TDB
period 2102.296942641855
5.76
4.3391e-05
1.188e-07
d
yr
n .1712412707729125 3.5344e-09 deg/d
Q 3.437560814851381 4.73e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6626 days (18.14 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:00:14  

Additional Information
 Earth MOID = 1.99281 au 
 Jupiter MOID = 1.9699 au 
 T_jup = 3.160 
[ 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 15.8   n/a MPO471208  
diameter diameter 4.304 km 1.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305536 (2008 GU59)          Discovered 2008-Apr-05 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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