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227744 (2006 HW22)
Classification: Main-belt Asteroid          SPK-ID: 2227744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157284620198763 4.5726e-08  
a 3.167322216973961 3.1124e-08 au
q 2.80077288808218 1.5402e-07 au
i 10.93338191403204 7.7612e-06 deg
node 52.34584896463127 2.7417e-05 deg
peri 85.22624450487518 4.5952e-05 deg
M 278.6272675249099 3.5898e-05 deg
tp 2459665.885873617965
(2022-Mar-27.38587362)
0.00020704 TDB
period 2058.907319521988
5.64
3.0349e-05
8.309e-08
d
yr
n .1748500268013912 2.5773e-09 deg/d
Q 3.533871545865742 3.4726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      10250 days (28.06 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:59  

Additional Information
 Earth MOID = 1.84162 au 
 Jupiter MOID = 1.6262 au 
 T_jup = 3.165 
[ 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 15.71   n/a MPCxxxxx  

227744 (2006 HW22)          Discovered 2006-Apr-20 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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
1953-Jan-04 10:04 00:03 Jupiter 1.9708565169613 1.97085444225417 1.97085859167436 4.6459431077636 4.55249818712213 2434381.919474791 3.2944000376785 215.457066254009 34.5339809571903 -64.8517437773881 1689853.2438928 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
1963-Oct-16 15:24 00:03 Jupiter 1.73676269391068 1.73676152276327 1.73676386505838 3.44258906839305 3.29788047713504 2438319.141852507 2.86129097033322 246.444892752869 36.6537266491155 -85.2952578780604 925605.080096475 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
1974-Jul-03 06:46 00:02 Jupiter 1.69547811220303 1.6954772914845 1.69547893292097 2.03818865743204 1.77624836260524 2442231.781982231 2.47828123654 303.111892912931 55.4872078832432 -77.2495615687938 1202594.39065285 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
1985-Feb-20 11:51 00:02 Jupiter 1.80409187436403 1.80409097803402 1.80409277069364 2.19741467269508 1.97221441994167 2446116.993450460 1.75158138727491 117.991385078479 13.0261752962521 68.6885785831395 1390480.54656755 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
1995-Nov-16 23:24 00:01 Jupiter 1.99160694065837 1.99160609688727 1.99160778442935 3.62006399699046 3.50061013202246 2450038.475092429 1.01549415485813 72.7260056612243 32.7334938775391 82.3790146848775 1712069.45243252 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
2071-Oct-08 07:45 00:02 Jupiter 1.98288446474841 1.98288319360279 1.98288573589675 4.62076115364826 4.52737229954108 2477757.822651784 2.27935378161641 149.470974877201 28.31977189502 -69.0894686244437 2055549.52800401 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
2082-Jul-21 23:57 00:03 Jupiter 1.72401854841761 1.72401752904191 1.72401956779518 3.54927384050587 3.40803912006602 2481697.497638789 2.84143644163569 240.290089933713 30.7821026986641 -84.1395333740849 1100419.59401302 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
2093-Apr-17 16:58 00:04 Jupiter 1.67504968501956 1.67504880750072 1.67505056254193 2.25023555512418 2.01301264031797 2485620.207021917 3.74630867758187 439.897669225788 47.2728388042276 -77.7541992974601 1255313.80433539 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
2103-Dec-10 04:22 00:05 Jupiter 1.80108685060591 1.80108549194939 1.80108820926427 2.03373215676573 1.78759567089658 2489507.682094611 4.53499223175249 249.835599497047 21.9192753991183 74.6674653924169 1559800.95336882 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
2114-Aug-27 17:31 00:05 Jupiter 1.9943925599275 1.99439077856181 1.99439434129557 3.49070986380008 3.36684590545537 2493421.229795362 4.66390929742897 176.381070860236 44.040108292901 -74.2673482739533 1247698.50569381 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:00 2021-Apr-14 00:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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