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150889 (2001 ST257)
Classification: Main-belt Asteroid          SPK-ID: 2150889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330410308701498 5.4657e-08  
a 2.368124445248192 1.3525e-08 au
q 2.053066727823571 1.2956e-07 au
i 5.95848335562161 6.506e-06 deg
node 162.3719159702544 5.1638e-05 deg
peri 165.2539462329244 5.6543e-05 deg
M 104.4984375130705 2.5261e-05 deg
tp 2458814.121898477164
(2019-Nov-26.62189848)
9.1725e-05 TDB
period 1331.083218644518
3.64
1.1403e-05
3.122e-08
d
yr
n .2704564184699127 2.317e-09 deg/d
Q 2.683182162672813 1.5324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      9102 days (24.92 yr)  
   first obs. used      1996-02-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60157  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:29  

Additional Information
 Earth MOID = 1.04052 au 
 Jupiter MOID = 2.64081 au 
 T_jup = 3.527 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO506590  

150889 (2001 ST257)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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