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146595 (2001 TB157)
Classification: Main-belt Asteroid          SPK-ID: 2146595
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208817182835689 9.0286e-08  
a 2.640965047380671 1.9328e-08 au
q 2.321720654526449 2.4602e-07 au
i 1.731810018734506 6.4611e-06 deg
node 151.7633632337705 0.0001654 deg
peri 25.38192124698351 0.00016702 deg
M 335.2494369525617 2.0352e-05 deg
tp 2459108.276726679548
(2020-Sep-15.77672668)		 8.8747e-05 TDB
period 1567.625816441895
4.29		 1.7209e-05
4.712e-08		 d
yr
n .2296466390283791 2.521e-09 deg/d
Q 2.960209440234894 2.1664e-08 au
   Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1999-03-10  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:16  

Additional Information
 Earth MOID = 1.3259 au 
 Jupiter MOID = 2.00007 au 
 T_jup = 3.384 
[ 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 MPO412893  

146595 (2001 TB157)          Discovered 2001-Oct-14 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Alternate Designations
 2001 TB157 = 1999 ER2 = 2003 BU7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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