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JPL Small-Body Database Browser
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185144 (2006 SY149)
Classification: Main-belt Asteroid          SPK-ID: 2185144
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064624427509519 4.6232e-08  
a 2.67717420081448 1.8932e-08 au
q 2.392155695725943 1.315e-07 au
i 2.043023636348087 5.8262e-06 deg
node 342.6364198019106 0.00013308 deg
peri 87.73907876438597 0.0001364 deg
M 1.194257483191027 2.8821e-05 deg
tp 2458995.192269736374
(2020-May-25.69226974)
0.00012808 TDB
period 1599.975651648957
4.38
1.6972e-05
4.647e-08
d
yr
n .2250034240389715 2.3867e-09 deg/d
Q 2.962192705903017 2.0948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      6268 days (17.16 yr)  
   first obs. used      2002-12-06  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:00:56  

Additional Information
 Earth MOID = 1.4076 au 
 Jupiter MOID = 2.27591 au 
 T_jup = 3.369 
[ 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 16.5   n/a MPO407399  

185144 (2006 SY149)          Discovered 2006-Sep-19 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2006 SY149 = 2002 XR111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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