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447105 (2004 TB172)
Classification: Main-belt Asteroid          SPK-ID: 2447105
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2576224181841185 1.0172e-07  
a 3.152170657599235 4.2615e-08 au
q 2.340100830259498 3.3936e-07 au
i 24.85532158333454 1.2894e-05 deg
node 250.5077365358676 1.8588e-05 deg
peri 117.6094680194572 4.5751e-05 deg
M 314.5924846179741 3.0109e-05 deg
tp 2459258.332849224898
(2021-Feb-12.83284923)
0.00017218 TDB
period 2044.151170572638
5.60
4.1453e-05
1.135e-07
d
yr
n .1761122196746102 3.5714e-09 deg/d
Q 3.964240484938973 5.3594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      5932 days (16.24 yr)  
   first obs. used      2004-08-19  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:29:06  

Additional Information
 Earth MOID = 1.44299 au 
 Jupiter MOID = 1.89792 au 
 T_jup = 3.016 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457791.5 (2017-Feb-07.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2615298090048677 1.0362e-07  
q 2.321570371874041 3.4655e-07 au
tp 2457221.124046127930
(2015-Jul-17.62404613)
0.00016503 TDB
node 250.5620021238844 1.8597e-05 deg
peri 118.0012923897747 4.5185e-05 deg
i 24.88233557481094 1.2902e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      5932 days (16.24 yr)  
   first obs. used      2004-08-19  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:29:06  

Additional Information
 Jupiter MOID = 1.89792 au 
 T_jup = 3.016 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.073752951702637E-14 -3.582048808873836E-14 7.717698835693963E-12 3.559983722274707E-14 1.89534977262014E-12 -1.769848307657808E-14
q -3.582048808873836E-14 1.201001241975929E-13 -2.50196984888498E-11 -1.133664235981391E-13 -6.122944091402524E-12 6.119647564964188E-14
tp 7.717698835693963E-12 -2.50196984888498E-11 2.723592862057565E-8 8.691056948266254E-11 6.830937275202499E-9 -3.761009080561009E-11
node 3.559983722274707E-14 -1.133664235981391E-13 8.691056948266254E-11 3.458598974732087E-10 -2.888922019979018E-10 2.528510115461244E-11
peri 1.89534977262014E-12 -6.122944091402524E-12 6.830937275202499E-9 -2.888922019979018E-10 2.041689535815773E-9 -3.2399929710729E-11
i -1.769848307657808E-14 6.119647564964188E-14 -3.761009080561009E-11 2.528510115461244E-11 -3.2399929710729E-11 1.664659374985274E-10

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 15.3   n/a MPO402783  

447105 (2004 TB172)          Discovered 2004-Oct-08 by LINEAR at Socorro
Reference: Last Updated: 2015-10-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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