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95550 (2002 ET89)
Classification: Outer Main-belt Asteroid          SPK-ID: 2095550
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029087848914811 6.154e-08  
a 3.223123164239101 2.0599e-08 au
q 2.891435475851669 1.9958e-07 au
i 17.40273368355595 5.7363e-06 deg
node 183.9007683387539 1.5582e-05 deg
peri 24.26656026057403 2.7041e-05 deg
M 15.54569922866859 2.0081e-05 deg
tp 2458909.231368410583
(2020-Feb-29.73136841)
0.00011814 TDB
period 2113.556096055006
5.79
2.0262e-05
5.547e-08
d
yr
n .1703290490713481 1.6329e-09 deg/d
Q 3.554810852626532 2.2719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      8445 days (23.12 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:56:37  

Additional Information
 Earth MOID = 1.89715 au 
 Jupiter MOID = 1.41772 au 
 T_jup = 3.108 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457362.5 (2015-Dec-06.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028852415651932 6.1326e-08  
q 2.893304602341262 1.9888e-07 au
tp 2456789.458864753865
(2014-May-11.95886475)
0.00012612 TDB
node 183.9225184814042 1.5579e-05 deg
peri 23.51746941178438 2.7176e-05 deg
i 17.40102334280807 5.7357e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      8445 days (23.12 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:56:37  

Additional Information
 Jupiter MOID = 1.41772 au 
 T_jup = 3.108 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.760916419233449E-15 -1.214370877422903E-14 2.397966012885241E-12 1.026737943692617E-15 5.010306099054199E-13 -3.507893512382534E-15
q -1.214370877422903E-14 3.955348597048102E-14 -8.694313993877269E-12 -1.582778991665386E-14 -1.759161717122752E-12 1.335055925791908E-14
tp 2.397966012885241E-12 -8.694313993877269E-12 1.590687731358658E-8 4.37708052157045E-11 2.828173652161704E-9 1.341630096708654E-12
node 1.026737943692617E-15 -1.582778991665386E-14 4.37708052157045E-11 2.427138851795571E-10 -2.250304259208324E-10 4.088392596535334E-11
peri 5.010306099054199E-13 -1.759161717122752E-12 2.828173652161704E-9 -2.250304259208324E-10 7.385523532066558E-10 -3.858475897233487E-11
i -3.507893512382534E-15 1.335055925791908E-14 1.341630096708654E-12 4.088392596535334E-11 -3.858475897233487E-11 3.289812217298903E-11

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 14.4   n/a MPO436438  

95550 (2002 ET89)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
1988-Sep-15 23:22 00:01 Jupiter 1.86304032194552 1.86303908808085 1.86304155581041 3.80321816847836 3.6817357113287 2447420.473848534 1.17051466943891 154.046898658272 61.7728610470629 -81.8164896706495 2305649.72871432 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57
1999-Nov-16 11:04 < 00:01 Jupiter 1.53090413289673 1.53090323792369 1.53090502786986 4.36787178705525 4.23930877419461 2451498.961077679 0.617737033141027 97.9959916781726 43.9133081935514 84.1242744361053 2501469.49920186 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57
2011-Mar-18 10:13 < 00:01 Jupiter 1.40010674847699 1.40010616413332 1.40010733282075 4.51544079747332 4.37941385194945 2455638.925778996 0.329699575181486 77.1109357126314 26.796079332543 82.0995253276862 2672377.96696991 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57
2022-Jul-21 10:48 < 00:01 Jupiter 1.49099769110327 1.49099713330979 1.49099824889709 4.53251369040997 4.40539421133658 2459781.949682780 0.433675681597315 104.985775769515 25.4347986258526 -85.130029946644 2895010.30030383 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57
2033-Oct-06 15:09 < 00:01 Jupiter 1.80195786269136 1.80195672331911 1.80195900206453 4.35358768507525 4.24424459308051 2463877.131329980 0.876779038284358 116.509243751047 45.4029844057068 -71.4034442473278 3530813.13405222 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57
2166-Apr-24 06:09 00:03 Jupiter 1.68436835190107 1.68436537565342 1.68437132815656 4.00290627612007 3.87524369106981 2512288.756441027 3.07220909513932 257.733341747983 80.117285927686 56.9094676971375 2152888.99711192 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57
2177-Jul-31 20:11 00:03 Jupiter 1.4581569024094 1.45815542005719 1.45815838479717 4.40557732067006 4.27169054322416 2516405.341222152 2.54091744240059 413.77111371125 33.4681615066103 80.5896636652668 2573566.3457972 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57
2188-Dec-06 06:40 00:03 Jupiter 1.43550929150813 1.43550839757053 1.4355101854955 4.55139576390418 4.41985328260298 2520550.777805717 2.79229049776118 501.973505368422 22.8989609100495 -85.7006051824634 2933008.22836869 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57
2200-Mar-20 01:49 00:04 Jupiter 1.63894983181001 1.63894637678802 1.6389532868783 4.59422294329714 4.4803201105166 2524671.575845741 3.80274960375475 478.720396552649 31.2115766325038 -69.1480332985341 3719126.32623085 T 19 CATAB v2.0f-lin.ifort 2020-Jun-24 00:56:57 2020-Jun-24 00:57

Alternate Designations
 2002 ET89 = 1997 JB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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