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118636 (2000 HW64)
Classification: Main-belt Asteroid          SPK-ID: 2118636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657992822201448 4.7043e-08  
a 2.338931695448381 1.0342e-08 au
q 1.951138499181093 1.0719e-07 au
i 4.306923823150771 5.0024e-06 deg
node 225.6469653501238 5.7337e-05 deg
peri 340.1819227572628 5.8693e-05 deg
M 228.4410291527622 1.3155e-05 deg
tp 2459477.966276009355
(2021-Sep-20.46627601)
4.8871e-05 TDB
period 1306.546093028948
3.58
8.6656e-06
2.373e-08
d
yr
n .2755356293365945 1.8275e-09 deg/d
Q 2.726724891715669 1.2057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      9674 days (26.49 yr)  
   first obs. used      1993-05-23  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:53:26  

Additional Information
 Earth MOID = .947375 au 
 Jupiter MOID = 2.24005 au 
 T_jup = 3.543 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO291179  
diameter diameter 3.157 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118636 (2000 HW64)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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