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382755 (2003 ET44)
Classification: Main-belt Asteroid          SPK-ID: 2382755
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2900091088696394 7.62e-08  
a 2.414341611956505 1.1056e-08 au
q 1.71416055256611 1.8599e-07 au
i 5.169372304171762 6.855e-06 deg
node 207.6031314941291 7.7917e-05 deg
peri 329.6818632914112 7.9791e-05 deg
M 208.0781989805811 1.1135e-05 deg
tp 2459578.747955424243
(2021-Dec-30.24795542)
4.3551e-05 TDB
period 1370.239574280185
3.75
9.4117e-06
2.577e-08
d
yr
n .2627277789645766 1.8046e-09 deg/d
Q 3.1145226713469 1.4262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6440 days (17.63 yr)  
   first obs. used      2003-03-07  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:40:18  

Additional Information
 Earth MOID = .720322 au 
 Jupiter MOID = 1.86393 au 
 T_jup = 3.454 
[ 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 17.5   n/a MPO440656  

382755 (2003 ET44)          Discovered 2003-Mar-07 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-01-21

[ 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
1903-Jun-08 20:54 00:02 Jupiter 1.9575839082626 1.95758263832435 1.95758517821131 1.0538095258491 0.495115217886657 2416274.370535746 2.05905451876965 3280.44899176822 737.522657202027 2.20668722462524 634049.261101126 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 17:40:19 2020-Nov-12 17:40
1975-Jan-05 12:27 < 00:01 Jupiter 1.88096314390727 1.88096256136641 1.88096372646438 1.15818081156766 0.663894878682047 2442418.018744311 0.762745307926792 1581.36743165717 409.470142647152 -13.1604321890128 834981.463246454 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 17:40:19 2020-Nov-12 17:40
2046-Aug-02 12:42 < 00:01 Jupiter 1.87410038688666 1.87409971181726 1.87410106197107 1.37284743972205 0.990346258656172 2468560.028983183 0.664961958458426 574.416455236317 227.554246585213 -39.4816985465559 1171599.57302956 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 17:40:19 2020-Nov-12 17:40
2118-Mar-01 13:43 00:02 Jupiter 1.93651927040029 1.93651794881807 1.93652059199946 1.64667086105658 1.35526244644139 2494703.071775189 1.92837084136434 390.977636264595 124.470209224929 -70.6735588027734 1356383.79957929 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 17:40:19 2020-Nov-12 17:40
2129-Jan-22 00:37 00:02 Jupiter 1.9144537255651 1.91445267371759 1.91445477741446 1.16305299100882 0.683974433257943 2498682.525859846 2.13357483610297 1378.81394063065 378.036530613222 -7.39187496668935 731835.392531727 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 17:40:19 2020-Nov-12 17:40
2200-Aug-22 21:02 00:03 Jupiter 1.86068253733389 1.86068195155503 1.86068312311772 1.32129885945992 0.913995552142797 2524827.376327907 3.22757730376308 895.167110540051 322.875318468425 -44.3002181835802 1009800.47016486 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 17:40:19 2020-Nov-12 17:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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