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JPL Small-Body Database Browser
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46240 (2001 HT11)
Classification: Main-belt Asteroid          SPK-ID: 2046240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01062878593277174 4.2733e-08  
a 2.785463776062372 1.5976e-08 au
q 2.755857677863115 1.2166e-07 au
i 6.37749499471966 4.9223e-06 deg
node 38.37448141225717 3.6751e-05 deg
peri 304.6124787066319 0.00021246 deg
M 268.6710923699982 0.00021005 deg
tp 2459431.274970877436
(2021-Aug-04.77497088)
0.00099106 TDB
period 1698.027421330211
4.65
1.4609e-05
4e-08
d
yr
n .2120107104736748 1.824e-09 deg/d
Q 2.815069874261629 1.6146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      10285 days (28.16 yr)  
   first obs. used      1991-02-08  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5839  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:36:45  

Additional Information
 Earth MOID = 1.75441 au 
 Jupiter MOID = 2.19529 au 
 T_jup = 3.322 
[ 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 14.8   n/a MPO436105  
diameter diameter 3.321 km 0.723 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.211   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46240 (2001 HT11)          Discovered 2001-Apr-18 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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