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100466 (1996 TD18)
Classification: Outer Main-belt Asteroid          SPK-ID: 2100466
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04083133537052477 4.1466e-08  
a 3.221603258637176 2.1429e-08 au
q 3.090060895552986 1.3498e-07 au
i 3.275198997832295 4.6709e-06 deg
node 231.8700063566015 9.1206e-05 deg
peri 191.3260013794617 0.00011617 deg
M 39.23310908277298 7.0059e-05 deg
tp 2458970.325750540102
(2020-Apr-30.82575054)
0.00041105 TDB
period 2112.061260063321
5.78
2.1073e-05
5.769e-08
d
yr
n .1704496014425296 1.7007e-09 deg/d
Q 3.353145621721366 2.2304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      11077 days (30.33 yr)  
   first obs. used      1990-10-17  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59658  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:18  

Additional Information
 Earth MOID = 2.10229 au 
 Jupiter MOID = 1.81357 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457427.5 (2016-Feb-09.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03717384323916976 4.1166e-08  
q 3.10634122203284 1.3331e-07 au
tp 2456865.052173200474
(2014-Jul-26.55217320)
0.00045823 TDB
node 232.0396424023964 9.1627e-05 deg
peri 192.5358674324881 0.00012136 deg
i 3.263973634555923 4.6614e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      11077 days (30.33 yr)  
   first obs. used      1990-10-17  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59658  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:18  

Additional Information
 Jupiter MOID = 1.81357 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.694677780629052E-15 -5.419374332401806E-15 -7.457842021409578E-13 7.559826121471337E-15 -1.596402902439229E-13 -1.476611562607673E-16
q -5.419374332401806E-15 1.777152969793082E-14 1.276588803435842E-12 -2.263193989587532E-14 3.379192034908807E-13 -2.173647149627445E-16
tp -7.457842021409578E-13 1.276588803435842E-12 2.099757161216527E-7 -4.851026702998373E-11 3.650709269283763E-8 -6.582620337677544E-12
node 7.559826121471337E-15 -2.263193989587532E-14 -4.851026702998373E-11 8.395542172246981E-9 -8.390086396718386E-9 -1.508806957984992E-11
peri -1.596402902439229E-13 3.379192034908807E-13 3.650709269283763E-8 -8.390086396718386E-9 1.472845073298666E-8 1.387644343185402E-11
i -1.476611562607673E-16 -2.173647149627445E-16 -6.582620337677544E-12 -1.508806957984992E-11 1.387644343185402E-11 2.172836629887856E-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 15.1   n/a MPO453459  

100466 (1996 TD18)          Discovered 1996-Oct-04 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1996 TD18 = 1998 BO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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