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129412 (2160 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2129412
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781460004356374 5.6157e-08  
a 3.118299499840031 2.6897e-08 au
q 2.56278691578308 1.8307e-07 au
i 4.195682637621976 5.627e-06 deg
node 253.2463193413154 8.2796e-05 deg
peri 121.7457291734441 8.446e-05 deg
M 279.9710845528169 1.9439e-05 deg
tp 2459447.615365531392
(2021-Aug-21.11536553)
0.0001127 TDB
period 2011.29217723226
5.51
2.6022e-05
7.124e-08
d
yr
n .1789894099301854 2.3158e-09 deg/d
Q 3.673812083896981 3.1688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      15190 days (41.59 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:06:30  

Additional Information
 Earth MOID = 1.5672 au 
 Jupiter MOID = 1.82623 au 
 T_jup = 3.188 
[ 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 15.2   n/a MPO439819  
diameter diameter 5.248 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129412 (2160 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2160 T-3 = 1999 TZ103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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