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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0713019462092421 3.5161e-08  
a 3.046262331110519 1.755e-08 au
q 2.829057898238437 1.0526e-07 au
i 8.629321129442715 4.3864e-06 deg
node 218.9695462684164 2.7546e-05 deg
peri 69.9182406283185 4.2393e-05 deg
M 83.89332170618783 3.2815e-05 deg
tp 2458147.941978826607
(2018-Jan-29.44197883)
0.00017683 TDB
period 1942.000677872844
5.32
1.6782e-05
4.595e-08
d
yr
n .1853758364257232 1.6019e-09 deg/d
Q 3.263466763982602 1.8801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1497  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      1998-12-15  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51445  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:15:09  

Additional Information
 Earth MOID = 1.82735 au 
 Jupiter MOID = 1.85215 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 1.85005999317586 1.85005960201162 1.85006038434126 3.70106504677365 3.57522197316431 2425823.548822192 2.19034945527283 153.145732583427 15.2375398228108 85.7652250222298 3565293.64673551 T 35 CATAB v2.0f-lin.ifort 2019-Dec-04 03:15:24 2019-Dec-04 03:15
1977-Oct-16 18:39 < 00:01 Jupiter 1.92120872607536 1.9212082191998 1.92120923295114 3.36830138077748 3.2347633883441 2443433.277381301 0.984084022257447 65.4042887080726 21.4786935089783 79.1502928646934 4046832.29748974 T 35 CATAB v2.0f-lin.ifort 2019-Dec-04 03:15:24 2019-Dec-04 03:15
2035-Jul-12 04:53 < 00:01 Jupiter 1.90038079270943 1.90038036643045 1.90038121898852 4.02458200339469 3.91226741296431 2464520.703661852 0.554736012476168 53.7420793013524 16.4056603818811 -78.8690288242002 3588877.05346829 T 35 CATAB v2.0f-lin.ifort 2019-Dec-04 03:15:24 2019-Dec-04 03:15
2083-Sep-22 00:58 00:02 Jupiter 1.86227138464776 1.86227103397318 1.86227173532234 3.74750161086842 3.6241002036021 2482124.540398791 1.78623045730089 129.398216943321 14.9161237247317 89.9060684273457 3417936.34802658 T 35 CATAB v2.0f-lin.ifort 2019-Dec-04 03:15:24 2019-Dec-04 03:15
2131-Dec-09 00:14 00:03 Jupiter 1.91538154565041 1.91538082892678 1.91538226237612 3.35498911997525 3.22048278935229 2499733.509524123 3.12259497895734 124.964226671362 20.8611726068794 72.7064322909705 3161354.61628434 T 35 CATAB v2.0f-lin.ifort 2019-Dec-04 03:15:24 2019-Dec-04 03:15
2189-Sep-04 06:43 00:04 Jupiter 1.91333922619365 1.91333803554297 1.91334041686325 4.10886107776929 3.99966907305534 2520822.779522854 4.46655491400048 326.285096280855 16.5582789084092 -80.8475006730035 3636231.86821949 T 35 CATAB v2.0f-lin.ifort 2019-Dec-04 03:15:24 2019-Dec-04 03:15

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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