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46226 (2001 HP2)
Classification: Main-belt Asteroid          SPK-ID: 2046226
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07116796702375223 3.3603e-08  
a 3.047582494984162 1.5955e-08 au
q 2.830692244478965 1.0125e-07 au
i 8.626730099324721 3.5291e-06 deg
node 218.9545967380963 2.5994e-05 deg
peri 70.35790294706601 3.8647e-05 deg
M 194.6153050522901 3.0467e-05 deg
tp 2460093.238877700241
(2023-May-28.73887770)
0.00016667 TDB
period 1943.263226828216
5.32
1.5261e-05
4.178e-08
d
yr
n .1852553967110211 1.4548e-09 deg/d
Q 3.26447274548936 1.7091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1883  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:37:57  

Additional Information
 Earth MOID = 1.82781 au 
 Jupiter MOID = 1.85136 au 
 T_jup = 3.217 
[ 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 13.37   n/a MPCxxxxx  
diameter diameter 6.998 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46226 (2001 HP2)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HP2 = 1998 XY79 = 2000 EQ151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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