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181235 (2005 TQ130)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016484345426756 4.252e-08  
a 3.241893451990849 3.6383e-08 au
q 2.912360057641829 1.4611e-07 au
i 7.395996279594977 5.8611e-06 deg
node 46.49243796464744 3.7751e-05 deg
peri 252.3850075674596 4.8122e-05 deg
M 296.2335019237083 3.0899e-05 deg
tp 2459578.147486955509
(2021-Dec-29.64748696)
0.00018555 TDB
period 2132.045814109564
5.84
3.5891e-05
9.826e-08
d
yr
n .1688519062853027 2.8425e-09 deg/d
Q 3.57142684633987 4.0081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      6225 days (17.04 yr)  
   first obs. used      2003-05-01  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:46  

Additional Information
 Earth MOID = 1.90617 au 
 Jupiter MOID = 1.64211 au 
 T_jup = 3.162 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457118.5 (2015-Apr-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09996774564716795 4.2548e-08  
q 2.919271913139442 1.4617e-07 au
tp 2457442.731514251828
(2016-Feb-24.23151425)
0.00017676 TDB
node 46.52443904021366 3.7741e-05 deg
peri 252.1648519106153 4.8426e-05 deg
i 7.395666053857484 5.8604e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      6225 days (17.04 yr)  
   first obs. used      2003-05-01  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:46  

Additional Information
 Jupiter MOID = 1.64211 au 
 T_jup = 3.162 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.810315253897349E-15 -6.06417419257385E-15 -4.692817507465756E-13 -6.709147170789405E-16 -9.722241558339235E-14 -2.294140314044223E-15
q -6.06417419257385E-15 2.136697042988461E-14 2.891321014800519E-12 -4.565735572283261E-15 5.252548089009318E-13 9.191680634297489E-15
tp -4.692817507465756E-13 2.891321014800519E-12 3.124255944993172E-8 -7.38714303697978E-12 5.387571951428946E-9 -3.150622142407208E-12
node -6.709147170789405E-16 -4.565735572283261E-15 -7.38714303697978E-12 1.424394358991135E-9 -1.413571279433665E-9 -1.974908835346136E-11
peri -9.722241558339235E-14 5.252548089009318E-13 5.387571951428946E-9 -1.413571279433665E-9 2.345029091768619E-9 1.9048220235296E-11
i -2.294140314044223E-15 9.191680634297489E-15 -3.150622142407208E-12 -1.974908835346136E-11 1.9048220235296E-11 3.434410956340746E-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 15.59   n/a E2021B55  

181235 (2005 TQ130)          Discovered 2005-Oct-07 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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