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359275 (2009 HB2)
Classification: Main-belt Asteroid          SPK-ID: 2359275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2270340177339695 6.0471e-08  
a 2.637222169787178 4.0678e-08 au
q 2.038483024923298 1.5453e-07 au
i 11.93781480417229 5.9828e-06 deg
node 106.7106580854493 3.3261e-05 deg
peri 115.5937273864212 3.7348e-05 deg
M 202.1245200827497 2.6078e-05 deg
tp 2459686.510379644808
(2022-Apr-17.01037964)
0.00012571 TDB
period 1564.294447760828
4.28
3.6193e-05
9.909e-08
d
yr
n .230135701443749 5.3246e-09 deg/d
Q 3.235961314651057 4.9913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4334 days (11.87 yr)  
   first obs. used      2007-12-19  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:15:28  

Additional Information
 Earth MOID = 1.06137 au 
 Jupiter MOID = 1.87476 au 
 T_jup = 3.330 
[ 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 16.4   n/a MPO455593  

359275 (2009 HB2)          Discovered 2009-Jan-08 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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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
1917-Apr-05 01:10 00:07 Jupiter 1.87488049357747 1.87487937279739 1.874881614347 1.5834672295973 1.26642022821834 2421323.548503400 6.91527148098779 787.229507835763 304.152864124411 -8.37928505305935 236371.236046474 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 11:15:30 2019-Nov-08 11:15
1964-Mar-16 23:33 00:04 Jupiter 1.8873035458613 1.88730271667465 1.88730437515889 1.08161598058454 0.521816446808808 2438471.481235920 3.70989779409183 3454.09456290054 1082.81636816139 -23.1785109154814 824549.837751491 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 11:15:30 2019-Nov-08 11:15
2011-Feb-20 21:24 < 00:01 Jupiter 1.97207798929496 1.97207731894726 1.97207865964132 1.41007188163303 1.06267938688501 2455613.391322340 0.422906311013699 305.048206370443 123.771419562513 35.8274277834469 1253232.04016272 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 11:15:30 2019-Nov-08 11:15
2071-Nov-21 02:28 00:04 Jupiter 1.90269328970465 1.90269230376655 1.90269427565248 2.26299411912015 2.05689129788584 2477801.603108232 3.8282703371921 314.204894775543 67.8394203633775 86.154367611084 714583.226047483 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 11:15:30 2019-Nov-08 11:15
2118-Nov-08 17:24 00:07 Jupiter 1.86338436416949 1.8633836502543 1.86338507810852 1.62450260762913 1.31525131372751 2494955.225203579 7.23954605185777 866.96215683519 217.532165614577 -39.9336289883432 538147.557805986 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 11:15:30 2019-Nov-08 11:15
2165-Oct-20 22:30 00:11 Jupiter 1.909943835686 1.90994045900881 1.90994721456343 1.19359056987228 0.733278797952995 2512103.437342354 10.9990666891339 4653.6159436494 729.905511729869 -71.4392672508299 927728.393097176 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 11:15:30 2019-Nov-08 11:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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