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JPL Small-Body Database Browser
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266772 (2009 SW172)
Classification: Jupiter Trojan          SPK-ID: 2266772
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03166758517235903 7.0276e-08  
a 5.150164142009254 2.1191e-07 au
q 4.987070880390547 4.8924e-07 au
i 6.711652084825717 7.0046e-06 deg
node 238.2839335330451 7.5044e-05 deg
peri 188.2679434820599 0.00018655 deg
M 242.2095240006338 0.000177 deg
tp 2459997.311201202250
(2023-Feb-21.81120120)
0.0021512 TDB
period 4269.038121855589
11.69
0.00026348
7.214e-07
d
yr
n .08432812959831842 5.2047e-09 deg/d
Q 5.313257403627962 2.1862e-07 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1998-11-17  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:52  

Additional Information
 Earth MOID = 4.00043 au 
 Jupiter MOID = .0413418 au 
 T_jup = 2.985 
[ 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 13.7   n/a MPO254491  

266772 (2009 SW172)          Discovered 2002-Feb-13 by Sloan Digital Sky Survey at Apache Point
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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