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JPL Small-Body Database Browser
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46246 (2001 HX20)
Classification: Outer Main-belt Asteroid          SPK-ID: 2046246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692732433911028 4.1962e-08  
a 3.20104251427006 2.0463e-08 au
q 2.659191665646757 1.3672e-07 au
i 6.368672941499759 4.9664e-06 deg
node 218.1000256166539 4.296e-05 deg
peri 88.55478229415478 4.5306e-05 deg
M 338.2434588003417 1.4185e-05 deg
tp 2458726.922083338601
(2019-Aug-31.42208334)
8.268e-05 TDB
period 2091.874328011802
5.73
2.0059e-05
5.492e-08
d
yr
n .1720944681902368 1.6502e-09 deg/d
Q 3.742893362893364 2.3927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      8011 days (21.93 yr)  
   first obs. used      1997-09-29  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54169  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:11:13  

Additional Information
 Earth MOID = 1.65356 au 
 Jupiter MOID = 1.57311 au 
 T_jup = 3.162 
[ 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 14.1   n/a MPO319637  
diameter diameter 9.337 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46246 (2001 HX20)          Discovered 2001-Apr-23 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HX20 = 1997 TD24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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