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56503 (2000 GR159)
Classification: Main-belt Asteroid          SPK-ID: 2056503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588710666958226 3.7456e-08  
a 2.318639582865721 8.0995e-09 au
q 1.950274839052687 8.7258e-08 au
i 5.578076417653215 4.3378e-06 deg
node 302.6844466809691 3.5922e-05 deg
peri 48.81030149110259 3.8227e-05 deg
M 109.6996748698915 1.2655e-05 deg
tp 2458607.537475607854
(2019-May-04.03747561)
4.4688e-05 TDB
period 1289.580018800947
3.53
6.7572e-06
1.85e-08
d
yr
n .2791606528881616 1.4628e-09 deg/d
Q 2.687004326678756 9.3863e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1411  
   data-arc span      12091 days (33.10 yr)  
   first obs. used      1987-09-22  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:59:01  

Additional Information
 Earth MOID = .949299 au 
 Jupiter MOID = 2.73985 au 
 T_jup = 3.556 
[ 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 15.0   n/a MPO449365  
diameter diameter 2.839 km 0.556 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

56503 (2000 GR159)          Discovered 2000-Apr-07 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 GR159 = 1987 SE14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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