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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07541568452419395 4.6226e-08  
a 2.988943825281968 2.7226e-08 au
q 2.763530580693966 1.4844e-07 au
i 11.05490597563137 5.4997e-06 deg
node 81.11450849601705 2.4328e-05 deg
peri 264.1686750558376 4.3523e-05 deg
M 359.2877329377934 3.5787e-05 deg
tp 2459204.234353417064
(2020-Dec-20.73435342)
0.00018763 TDB
period 1887.448264107984
5.17
2.5789e-05
7.061e-08
d
yr
n .1907337047832341 2.606e-09 deg/d
Q 3.214357069869971 2.9279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      8293 days (22.70 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:07  

Additional Information
 Earth MOID = 1.78211 au 
 Jupiter MOID = 2.10541 au 
 T_jup = 3.224 
[ 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 14.71   n/a E2021B55  
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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