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46271 (2001 HE63)
Classification: Main-belt Asteroid          SPK-ID: 2046271
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04544016622412458 7.9384e-08  
a 2.98057920191615 2.6252e-08 au
q 2.845141187536911 2.3962e-07 au
i 9.583105764721246 9.2971e-06 deg
node 227.3246529414778 3.7391e-05 deg
peri 12.4936134834188 9.5417e-05 deg
M 168.3769342062646 8.9906e-05 deg
tp 2457721.417724302112
(2016-Nov-28.91772430)
0.00046719 TDB
period 1879.530713295676
5.15
2.4831e-05
6.798e-08
d
yr
n .1915371733238429 2.5305e-09 deg/d
Q 3.116017216295388 2.7445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7377 days (20.20 yr)  
   first obs. used      1998-10-23  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54957  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:36:53  

Additional Information
 Earth MOID = 1.83392 au 
 Jupiter MOID = 1.88 au 
 T_jup = 3.237 
[ 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 14.7   n/a MPO378940  
diameter diameter 4.982 km 0.644 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46271 (2001 HE63)          Discovered 2001-Apr-26 by LONEOS at Anderson Mesa
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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