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181203 (2005 SW166)
Classification: Main-belt Asteroid          SPK-ID: 2181203
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863612789028157 3.928e-08  
a 2.636697225135892 1.719e-08 au
q 2.145318958180062 1.0905e-07 au
i 12.47374405019304 4.4698e-06 deg
node 152.3544121958031 2.0017e-05 deg
peri 158.8702479873512 2.4979e-05 deg
M 244.3494969262472 1.8313e-05 deg
tp 2459702.881739777660
(2022-May-03.38173978)
8.2253e-05 TDB
period 1563.827406826072
4.28
1.5293e-05
4.187e-08
d
yr
n .23020443204193 2.2512e-09 deg/d
Q 3.128075492091723 2.0394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      7101 days (19.44 yr)  
   first obs. used      2001-11-21  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:21  

Additional Information
 Earth MOID = 1.13446 au 
 Jupiter MOID = 2.21235 au 
 T_jup = 3.339 
[ 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 15.90   n/a MPCxxxxx  

181203 (2005 SW166)          Discovered 2005-Sep-28 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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