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150888 (2001 SD254)
Classification: Main-belt Asteroid          SPK-ID: 2150888
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1886348947267132 3.1106e-08  
a 2.423491049485703 1.0737e-08 au
q 1.966336070494836 7.4831e-08 au
i 1.546618596157441 6.1482e-06 deg
node 37.63772915759653 0.00012086 deg
peri 282.1359307323536 0.00012199 deg
M 79.1190874708592 1.6945e-05 deg
tp 2458897.641807631247
(2020-Feb-18.14180763)
6.4209e-05 TDB
period 1378.035980166079
3.77
9.1581e-06
2.507e-08
d
yr
n .2612413646533476 1.7361e-09 deg/d
Q 2.88064602847657 1.2763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1999-01-07  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:29  

Additional Information
 Earth MOID = .952134 au 
 Jupiter MOID = 2.42598 au 
 T_jup = 3.487 
[ 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 16.7   n/a MPO432960  

150888 (2001 SD254)          Discovered 2001-Sep-19 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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