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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661340133550613 3.9382e-08  
a 2.77771661516114 1.2454e-08 au
q 2.316243405921383 1.1345e-07 au
i 6.889573189707884 4.5839e-06 deg
node 244.9426405101443 3.2683e-05 deg
peri 45.98233643045194 3.547e-05 deg
M 13.72137039943393 1.2674e-05 deg
tp 2459136.049644236498
(2020-Oct-13.54964424)
5.9493e-05 TDB
period 1690.948309056505
4.63
1.1372e-05
3.113e-08
d
yr
n .2128982879440404 1.4318e-09 deg/d
Q 3.239189824400896 1.4523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1274  
   data-arc span      7959 days (21.79 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:13  

Additional Information
 Earth MOID = 1.30444 au 
 Jupiter MOID = 1.94496 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 14.27   n/a E2021B10  
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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