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173810 (2001 SW256)
Classification: Main-belt Asteroid          SPK-ID: 2173810
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0889876036167101 5.3358e-08  
a 2.87559148219814 2.4141e-08 au
q 2.619699487216704 1.6354e-07 au
i 3.040245188260948 5.6205e-06 deg
node 97.84216600323734 0.00010103 deg
peri 292.1486738808123 0.00010661 deg
M 296.5405260957668 3.5546e-05 deg
tp 2459314.466402117566
(2021-Apr-09.96640212)
0.00017779 TDB
period 1781.103715623208
4.88
2.2429e-05
6.141e-08
d
yr
n .2021218623273918 2.5452e-09 deg/d
Q 3.131483477179576 2.6289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      6888 days (18.86 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:06:16  

Additional Information
 Earth MOID = 1.62684 au 
 Jupiter MOID = 2.26181 au 
 T_jup = 3.288 
[ 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 15.8   n/a MPO436863  

173810 (2001 SW256)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 SW256 = 2001 UN126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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