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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656605882697575 3.6833e-08  
a 2.339246653936835 8.7369e-09 au
q 1.951725677137597 8.6139e-08 au
i 4.306389078013262 4.2745e-06 deg
node 225.6417743574263 5.612e-05 deg
peri 340.1515940115387 5.7532e-05 deg
M 283.5681744550141 1.2982e-05 deg
tp 2459477.949651838285
(2021-Sep-20.44965184)		 4.7592e-05 TDB
period 1306.810009437686
3.58		 7.3213e-06
2.004e-08		 d
yr
n .2754799836243267 1.5433e-09 deg/d
Q 2.726767630736073 1.0184e-08 au
   Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      10106 days (27.67 yr)  
   first obs. used      1993-05-23  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:20:21  

Additional Information
 Earth MOID = .947088 au 
 Jupiter MOID = 2.23886 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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