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46235 (2001 HX9)
Classification: Main-belt Asteroid          SPK-ID: 2046235
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658410351264918 3.9889e-08  
a 2.776667587222218 1.3056e-08 au
q 2.316182160355106 1.1418e-07 au
i 6.892456879221344 4.8189e-06 deg
node 244.9641198793865 3.6584e-05 deg
peri 46.09730641423604 3.9307e-05 deg
M 331.0280062139426 1.4181e-05 deg
tp 2459136.506650599504
(2020-Oct-14.00665060)
6.6745e-05 TDB
period 1689.990498319946
4.63
1.1919e-05
3.263e-08
d
yr
n .2130189491348521 1.5024e-09 deg/d
Q 3.237153014089329 1.5221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1153  
   data-arc span      7875 days (21.56 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:39:44  

Additional Information
 Earth MOID = 1.30634 au 
 Jupiter MOID = 1.94821 au 
 T_jup = 3.304 
[ 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 14.3   n/a MPO468324  
diameter diameter 9.184 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46235 (2001 HX9)          Discovered 2001-Apr-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HX9 = 2000 AH115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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