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146519 (2001 ST142)
Classification: Main-belt Asteroid          SPK-ID: 2146519
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385630639290799 4.2215e-08  
a 2.692042101214358 1.8503e-08 au
q 2.319024499444019 1.1343e-07 au
i 3.395688987820351 4.3983e-06 deg
node 253.847275224778 8.8501e-05 deg
peri 61.01044422042297 9.0398e-05 deg
M 28.70556573037777 1.8407e-05 deg
tp 2458471.857400342810
(2018-Dec-19.35740034)
8.205e-05 TDB
period 1613.322528166694
4.42
1.6633e-05
4.554e-08
d
yr
n .2231419903428036 2.3005e-09 deg/d
Q 3.065059702984698 2.1067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      6647 days (18.20 yr)  
   first obs. used      2001-09-16  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:59:40  

Additional Information
 Earth MOID = 1.30669 au 
 Jupiter MOID = 2.20066 au 
 T_jup = 3.355 
[ 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 16.3   n/a MPO453930  
diameter diameter 2.629 km 0.634 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146519 (2001 ST142)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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