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18893 (2000 GH1)
Classification: Main-belt Asteroid          SPK-ID: 2018893
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07524763221330877 3.9243e-08  
a 3.172665777411649 1.8161e-08 au
q 2.933930189857226 1.294e-07 au
i 16.36248750819552 5.497e-06 deg
node 20.4463375806112 1.1644e-05 deg
peri 118.8275357077229 3.6232e-05 deg
M 284.4936781826274 3.427e-05 deg
tp 2459633.428051612053
(2022-Feb-22.92805161)		 0.00019751 TDB
period 2064.119862139543
5.65		 1.7723e-05
4.852e-08		 d
yr
n .1744084762727129 1.4976e-09 deg/d
Q 3.411401364966072 1.9528e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1701  
   data-arc span      15176 days (41.55 yr)  
   first obs. used      1979-08-19  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:41:30  

Additional Information
 Earth MOID = 1.9808 au 
 Jupiter MOID = 1.63964 au 
 T_jup = 3.134 
[ 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 13.27   n/a E2021B10  
diameter diameter 8.987 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18893 (2000 GH1)          Discovered 2000-Apr-02 by Starkenburg at Starkenburg
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

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