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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07125295262487515 3.4536e-08  
a 3.047297748822729 1.7385e-08 au
q 2.830168786691974 1.0283e-07 au
i 8.627438564715408 4.3176e-06 deg
node 218.9649898800517 2.627e-05 deg
peri 70.23135323443861 4.104e-05 deg
M 157.6947865731287 3.2393e-05 deg
tp 2458149.390186544737
(2018-Jan-30.89018654)
0.00017419 TDB
period 1942.990884494499
5.32
1.6627e-05
4.552e-08
d
yr
n .1852813633213004 1.5855e-09 deg/d
Q 3.264426710953483 1.8623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1584  
   data-arc span      7716 days (21.13 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:23:38  

Additional Information
 Earth MOID = 1.82913 au 
 Jupiter MOID = 1.85221 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 13.3   n/a MPO324723  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1929-Jul-31 01:10 00:02 Jupiter 1.85006007308909 1.85005968519227 1.85006046098697 3.70106461918781 3.57522153605947 2425823.548762262 2.16424738312711 150.872324398662 15.2141138338559 85.8045501836082 3584957.67151976 T 38 CATAB v2.0f-lin.ifort 2020-Feb-23 08:23:50 2020-Feb-23 08:23
1977-Oct-16 18:39 < 00:01 Jupiter 1.9212087409439 1.92120823871798 1.92120924317004 3.36830110984345 3.23476310728013 2443433.277349621 0.976629886983353 64.1014832735266 21.4347738794728 79.4199904900908 4071434.36476151 T 38 CATAB v2.0f-lin.ifort 2020-Feb-23 08:23:50 2020-Feb-23 08:23
2035-Jul-12 04:53 < 00:01 Jupiter 1.90038086935223 1.90038045673699 1.90038128196747 4.02458158634772 3.91226698853932 2464520.703636481 0.536390795266491 51.4653166567793 16.1630716144802 -79.3744467698892 3673654.46039594 T 38 CATAB v2.0f-lin.ifort 2020-Feb-23 08:23:50 2020-Feb-23 08:23
2083-Sep-22 00:58 00:02 Jupiter 1.8622714694472 1.86227112098334 1.86227181791106 3.74750116979952 3.6240997532295 2482124.540389928 1.74880789634588 126.117265754848 14.8704389083352 89.8896087537349 3453335.77749179 T 38 CATAB v2.0f-lin.ifort 2020-Feb-23 08:23:50 2020-Feb-23 08:23
2131-Dec-09 00:14 00:03 Jupiter 1.91538158441796 1.91538088542023 1.91538228341755 3.35498883908588 3.22048249951061 2499733.509538968 3.06422867255287 122.61872766036 20.7160168275348 72.9061016485903 3165880.68428387 T 38 CATAB v2.0f-lin.ifort 2020-Feb-23 08:23:50 2020-Feb-23 08:23
2189-Sep-04 06:43 00:04 Jupiter 1.91333928417681 1.91333812645483 1.91334044191706 4.10886062878198 3.99966861516475 2520822.779546205 4.38881836154127 320.396218792783 16.2810795394875 -80.9464574033521 3724009.38200814 T 38 CATAB v2.0f-lin.ifort 2020-Feb-23 08:23:50 2020-Feb-23 08:23

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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