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186121 (2001 TU143)
Classification: Main-belt Asteroid          SPK-ID: 2186121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091792610157115 3.4952e-08  
a 2.760994570889778 1.5738e-08 au
q 2.183451766882663 9.2525e-08 au
i 8.822569783239002 3.6153e-06 deg
node 56.24505272737848 2.954e-05 deg
peri 9.845181168594852 3.1683e-05 deg
M 31.62927605572534 1.0492e-05 deg
tp 2459053.274341048877
(2020-Jul-22.77434105)
4.8687e-05 TDB
period 1675.701875977975
4.59
1.4328e-05
3.923e-08
d
yr
n .2148353505840032 1.8369e-09 deg/d
Q 3.338537374896894 1.903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7084 days (19.39 yr)  
   first obs. used      2001-09-25  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55927  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:00  

Additional Information
 Earth MOID = 1.19699 au 
 Jupiter MOID = 2.0025 au 
 T_jup = 3.292 
[ show covariance matrix ]

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 16.39   n/a MPCxxxxx  
diameter diameter 3.405 km 0.634 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186121 (2001 TU143)          Discovered 2001-Oct-10 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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