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109957 (2001 SW47)
Classification: Main-belt Asteroid          SPK-ID: 2109957
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317162803790164 4.1327e-08  
a 2.973552960758203 2.0848e-08 au
q 2.581887625257122 1.26e-07 au
i 10.47486790344881 4.7176e-06 deg
node 157.3621377650278 2.1336e-05 deg
peri 209.6632120995525 2.6874e-05 deg
M 232.3153767574557 1.8077e-05 deg
tp 2459664.775205434807
(2022-Mar-26.27520543)		 9.8144e-05 TDB
period 1872.888589742495
5.13		 1.9696e-05
5.392e-08		 d
yr
n .1922164521539942 2.0215e-09 deg/d
Q 3.365218296259285 2.3594e-08 au
   Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58254  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:11:10  

Additional Information
 Earth MOID = 1.58514 au 
 Jupiter MOID = 2.09856 au 
 T_jup = 3.224 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO436527  

109957 (2001 SW47)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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