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118821 (2000 SM137)
Classification: Main-belt Asteroid          SPK-ID: 2118821
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05245177924773338 4.2428e-08  
a 2.752459203708807 1.6483e-08 au
q 2.608087821167481 1.1926e-07 au
i 5.29666783481771 5.074e-06 deg
node 285.5279321821832 5.7439e-05 deg
peri 130.9811913933282 8.3233e-05 deg
M 70.15098005274893 5.9034e-05 deg
tp 2458675.479312287637
(2019-Jul-10.97931229)
0.00027322 TDB
period 1667.93746129375
4.57
1.4982e-05
4.102e-08
d
yr
n .2158354304967544 1.9388e-09 deg/d
Q 2.896830586250133 1.7347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      10319 days (28.25 yr)  
   first obs. used      1991-11-02  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57864  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:02:43  

Additional Information
 Earth MOID = 1.62399 au 
 Jupiter MOID = 2.29739 au 
 T_jup = 3.337 
[ 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 15.3   n/a MPO366561  

118821 (2000 SM137)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 SM137 = 2002 AN40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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