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32823 (1991 TM8)
Classification: Main-belt Asteroid          SPK-ID: 2032823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1225630380825844 3.1388e-08  
a 2.786099429407516 1.2617e-08 au
q 2.444626618939176 8.9806e-08 au
i 5.833938183049409 4.6417e-06 deg
node 13.53895758073596 3.3053e-05 deg
peri 76.0213791852924 3.8357e-05 deg
M .1238052837952274 1.8751e-05 deg
tp 2458999.915842411048
(2020-May-30.41584241)
8.8474e-05 TDB
period 1698.608698887529
4.65
1.1538e-05
3.159e-08
d
yr
n .2119381587035172 1.4396e-09 deg/d
Q 3.127572239875856 1.4163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      10344 days (28.32 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:53:28  

Additional Information
 Earth MOID = 1.46905 au 
 Jupiter MOID = 2.07624 au 
 T_jup = 3.313 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457164.5 (2015-May-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199696999067205 3.1329e-08  
q 2.45178987360342 8.9389e-08 au
tp 2457301.927592122473
(2015-Oct-06.42759212)
8.9243e-05 TDB
node 13.57888131159309 3.3018e-05 deg
peri 76.20662895934214 3.857e-05 deg
i 5.83791797976819 4.6417e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      10344 days (28.32 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:53:28  

Additional Information
 Jupiter MOID = 2.07624 au 
 T_jup = 3.313 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.815168953193699E-16 -2.779151363597666E-15 -3.296471109869832E-13 1.685854195110979E-15 -4.968792522229796E-14 -1.067030178589428E-15
q -2.779151363597666E-15 7.990305683803475E-15 9.84182305834878E-13 -4.933269008702802E-15 1.485400612436114E-13 3.165214011113665E-15
tp -3.296471109869832E-13 9.84182305834878E-13 7.964338135576757E-9 -1.528111112342567E-11 1.787204124643606E-9 1.716985749766538E-13
node 1.685854195110979E-15 -4.933269008702802E-15 -1.528111112342567E-11 1.090178788941348E-9 -1.087633377975096E-9 9.011232232942193E-12
peri -4.968792522229796E-14 1.485400612436114E-13 1.787204124643606E-9 -1.087633377975096E-9 1.487640617962997E-9 -8.958407423095004E-12
i -1.067030178589428E-15 3.165214011113665E-15 1.716985749766538E-13 9.011232232942193E-12 -8.958407423095004E-12 2.154518505446545E-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 MPO452631  

32823 (1991 TM8)          Discovered 1991-Oct-01 by Spacewatch at Kitt Peak
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 TM8 = 1998 HC130 = 2000 SD244 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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