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118840 (2000 SM213)
Classification: Main-belt Asteroid          SPK-ID: 2118840
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07626226743101017 4.6206e-08  
a 2.991585463676106 2.9039e-08 au
q 2.763440373002517 1.4879e-07 au
i 11.05765937569962 5.8888e-06 deg
node 81.13770854317623 2.4779e-05 deg
peri 264.0645596823509 4.5171e-05 deg
M 321.2714842238764 3.8347e-05 deg
tp 2459203.819438204967
(2020-Dec-20.31943821)
0.00020178 TDB
period 1889.951016375216
5.17
2.7518e-05
7.534e-08
d
yr
n .190481127225431 2.7734e-09 deg/d
Q 3.219730554349696 3.1253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      8164 days (22.35 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55466  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:20  

Additional Information
 Earth MOID = 1.7838 au 
 Jupiter MOID = 2.10343 au 
 T_jup = 3.223 
[ 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 14.6   n/a MPO436571  
diameter diameter 4.712 km 0.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118840 (2000 SM213)          Discovered 2000-Sep-25 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 SM213 = 2003 FN53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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