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181225 (2005 TP29)
Classification: Main-belt Asteroid          SPK-ID: 2181225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06931909053662018 5.465e-08  
a 2.642605299790368 2.1727e-08 au
q 2.459422303761647 1.5452e-07 au
i 4.188007554958703 4.7592e-06 deg
node 278.2604142737509 8.2731e-05 deg
peri 20.29589187704263 9.3094e-05 deg
M 269.4876642508401 4.3708e-05 deg
tp 2459791.004672137658
(2022-Jul-30.50467214)
0.0001904 TDB
period 1569.086476379822
4.30
1.9351e-05
5.298e-08
d
yr
n .2294328613618465 2.8295e-09 deg/d
Q 2.825788295819089 2.3233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:02  

Additional Information
 Earth MOID = 1.44364 au 
 Jupiter MOID = 2.30653 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457365.5 (2015-Dec-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07072499874643963 5.448e-08  
q 2.455215247601491 1.5418e-07 au
tp 2456648.196782668650
(2013-Dec-21.69678267)
0.00019205 TDB
node 278.424109119041 8.2712e-05 deg
peri 19.2407683793272 9.2827e-05 deg
i 4.188534845296386 4.7637e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:02  

Additional Information
 Jupiter MOID = 2.30653 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.968027520590505E-15 -8.342338888685413E-15 4.680681310813348E-12 -1.835052445016886E-14 1.01106828328205E-12 -9.651247131180813E-16
q -8.342338888685413E-15 2.377032326039453E-14 -1.318925806281057E-11 5.513086326610159E-14 -2.821788937499925E-12 3.313650977854595E-15
tp 4.680681310813348E-12 -1.318925806281057E-11 3.688311827692153E-8 -3.079382058696895E-11 8.143057536885106E-9 -1.401574663602668E-12
node -1.835052445016886E-14 5.513086326610159E-14 -3.079382058696895E-11 6.841333902573526E-9 -6.828583838355434E-9 1.228846212968426E-10
peri 1.01106828328205E-12 -2.821788937499925E-12 8.143057536885106E-9 -6.828583838355434E-9 8.616807122279827E-9 -1.227919036594343E-10
i -9.651247131180813E-16 3.313650977854595E-15 -1.401574663602668E-12 1.228846212968426E-10 -1.227919036594343E-10 2.269325513248835E-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 16.35   n/a MPCxxxxx  

181225 (2005 TP29)          Discovered 2005-Oct-03 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 TP29 = 2001 SJ171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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