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447217 (2005 TH169)
Classification: Main-belt Asteroid          SPK-ID: 2447217
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06798794772184799 1.3988e-07  
a 2.929487977186127 4.0742e-08 au
q 2.730318101741414 4.1066e-07 au
i 1.057684528325673 8.5101e-06 deg
node 308.7213050915359 0.00067682 deg
peri 88.05127987972013 0.00068453 deg
M 2.335059980548301 9.2511e-05 deg
tp 2459188.620954472556
(2020-Dec-05.12095447)
0.0004707 TDB
period 1831.411794773604
5.01
3.8206e-05
1.046e-07
d
yr
n .19656966337519 4.1007e-09 deg/d
Q 3.128657852630839 4.3512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      6856 days (18.77 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:00:58  

Additional Information
 Earth MOID = 1.73629 au 
 Jupiter MOID = 2.1742 au 
 T_jup = 3.273 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457709.5 (2016-Nov-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06975291452279499 1.4605e-07  
q 2.725063970802282 4.3012e-07 au
tp 2457339.831287653465
(2015-Nov-13.33128765)
0.00044859 TDB
node 309.2222777704902 0.0006783 deg
peri 84.54446862809471 0.00068495 deg
i 1.055723833223588 8.5339e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      6856 days (18.77 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:00:58  

Additional Information
 Jupiter MOID = 2.1742 au 
 T_jup = 3.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.13312399003385E-14 -6.258371096623348E-14 -3.802894475685022E-11 -2.023265403298653E-15 -8.530161289454234E-12 -8.6311161363297E-15
q -6.258371096623348E-14 1.850050207526154E-13 1.060048684546249E-10 1.204852714099321E-14 2.391097801456433E-11 2.62470646416118E-14
tp -3.802894475685022E-11 1.060048684546249E-10 2.012347159975259E-7 3.249217030309769E-10 4.290987490034321E-8 1.901405895548344E-11
node -2.023265403298653E-15 1.204852714099321E-14 3.249217030309769E-10 4.600949615170346E-7 -4.599526157969889E-7 2.246927232391803E-9
peri -8.530161289454234E-12 2.391097801456433E-11 4.290987490034321E-8 -4.599526157969889E-7 4.691550422151108E-7 -2.242392169781203E-9
i -8.6311161363297E-15 2.62470646416118E-14 1.901405895548344E-11 2.246927232391803E-9 -2.242392169781203E-9 7.282731893254392E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO402785  

447217 (2005 TH169)          Discovered 2005-Oct-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2005 TH169 = 2012 BG119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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