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434560 (2005 TH144)
Classification: Main-belt Asteroid          SPK-ID: 2434560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741340727459391 4.7781e-08  
a 2.33408765049324 2.1446e-08 au
q 1.927643461766852 1.0682e-07 au
i 4.404037476010731 5.7876e-06 deg
node 150.4451066239275 6.7066e-05 deg
peri 151.077176565285 7.3444e-05 deg
M 100.3124517348798 2.2673e-05 deg
tp 2458637.566955021452
(2019-Jun-03.06695502)
8.3597e-05 TDB
period 1302.489311472454
3.57
1.7951e-05
4.915e-08
d
yr
n .2763938228353081 3.8092e-09 deg/d
Q 2.740531839219628 2.518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5109 days (13.99 yr)  
   first obs. used      2005-09-29  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5483  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:40:55  

Additional Information
 Earth MOID = .913694 au 
 Jupiter MOID = 2.48614 au 
 T_jup = 3.544 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457824.5 (2017-Mar-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744925910497081 4.7661e-08  
q 1.926552613891722 1.0668e-07 au
tp 2457335.897404356908
(2015-Nov-09.39740436)
9.1354e-05 TDB
node 150.4814717589578 6.7068e-05 deg
peri 151.2066816039284 7.344e-05 deg
i 4.404244315714723 5.7882e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5109 days (13.99 yr)  
   first obs. used      2005-09-29  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5483  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:40:55  

Additional Information
 Jupiter MOID = 2.48614 au 
 T_jup = 3.544 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.271541930615033E-15 -5.021063319033236E-15 -2.699781767743876E-14 -2.494292696840596E-14 3.422233761400109E-14 -2.015187591979069E-15
q -5.021063319033236E-15 1.138132691488376E-14 -7.818506449640002E-13 5.182109077904781E-14 -3.153992679514575E-13 3.652077750384035E-15
tp -2.699781767743876E-14 -7.818506449640002E-13 8.345565658123283E-9 -2.675524200510633E-11 2.743590330509255E-9 9.832161899742395E-12
node -2.494292696840596E-14 5.182109077904781E-14 -2.675524200510633E-11 4.498094645389224E-9 -4.493074313718847E-9 2.069888740739746E-11
peri 3.422233761400109E-14 -3.153992679514575E-13 2.743590330509255E-9 -4.493074313718847E-9 5.393420692894269E-9 -1.74144703393206E-11
i -2.015187591979069E-15 3.652077750384035E-15 9.832161899742395E-12 2.069888740739746E-11 -1.74144703393206E-11 3.350312308061494E-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 17.7   n/a MPO437681  

434560 (2005 TH144)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2005 TH144 = 2012 TX255 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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