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JPL Small-Body Database Browser
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51569 Garywessen (2001 HV3)
Classification: Main-belt Asteroid          SPK-ID: 2051569
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905390997279444 4.1797e-08  
a 2.698251421997397 1.6375e-08 au
q 2.184129025210368 1.1281e-07 au
i 13.70421552640143 4.8555e-06 deg
node 75.21243008905462 2.1519e-05 deg
peri 249.7947151305171 2.5024e-05 deg
M 34.93676244531833 1.4314e-05 deg
tp 2458843.390587396966
(2019-Dec-25.89058740)
6.3769e-05 TDB
period 1618.907551196734
4.43
1.4737e-05
4.035e-08
d
yr
n .2223721791487597 2.0242e-09 deg/d
Q 3.212373818784427 1.9495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      1998-11-19  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:52:51  

Additional Information
 Earth MOID = 1.215 au 
 Jupiter MOID = 2.20361 au 
 T_jup = 3.302 
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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 14.0   n/a MPO449334  
diameter diameter 4.469 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

51569 Garywessen           Discovered 2001 Apr. 18 by G. Hug at Farpoint Observatory.
Gary Wessen (b. 1949) has conducted archaeological research in western North America for over 40 years and has recorded over 250 new sites. He works with many Native American tribes, especially the Makah. He has also served as an officer for many archaeological associations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

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Alternate Designations
 2001 HV3 = 1998 YQ26 = 2000 EM117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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