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150543 (2000 ST161)
Classification: Main-belt Asteroid          SPK-ID: 2150543
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290703628809445 5.9274e-08  
a 2.776742428200551 1.7933e-08 au
q 2.41834727536579 1.5733e-07 au
i 7.52959075992743 4.1259e-06 deg
node 138.8163732817685 3.8339e-05 deg
peri 237.7872768251444 4.3611e-05 deg
M 120.0162424369892 1.7896e-05 deg
tp 2458637.070806267407
(2019-Jun-02.57080627)
8.3732e-05 TDB
period 1690.058825581257
4.63
1.6373e-05
4.483e-08
d
yr
n .2130103370077584 2.0636e-09 deg/d
Q 3.13513758103531 2.0248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      7892 days (21.61 yr)  
   first obs. used      1999-06-10  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:43:58  

Additional Information
 Earth MOID = 1.42753 au 
 Jupiter MOID = 2.35439 au 
 T_jup = 3.310 
[ 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 16.09   n/a E2021B55  

150543 (2000 ST161)          Discovered 2000-Sep-20 by NEAT at Haleakala
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 2000 ST161 = 2005 UO494 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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