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181403 (2006 SW121)
Classification: Main-belt Asteroid          SPK-ID: 2181403
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .196243021437343 4.1941e-08  
a 2.601823131805006 1.5386e-08 au
q 2.091233499174022 1.082e-07 au
i 2.782071292696775 5.1825e-06 deg
node 146.3059099813011 9.8785e-05 deg
peri 266.7802434104348 9.9771e-05 deg
M 99.62066523035237 1.2624e-05 deg
tp 2458776.308443820742
(2019-Oct-19.80844382)
5.3741e-05 TDB
period 1532.904441778466
4.20
1.3597e-05
3.723e-08
d
yr
n .2348482985556035 2.0832e-09 deg/d
Q 3.11241276443599 1.8405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:29  

Additional Information
 Earth MOID = 1.1038 au 
 Jupiter MOID = 2.25957 au 
 T_jup = 3.385 
[ 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 17.01   n/a E2021B55  

181403 (2006 SW121)          Discovered 2006-Sep-19 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2006 SW121 = 1998 YT10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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