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115280 (2003 SM188)
Classification: Main-belt Asteroid          SPK-ID: 2115280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07396701645624093 2.8046e-08  
a 2.278289895729877 7.7623e-09 au
q 2.109771589520338 6.6285e-08 au
i 5.634525614104001 4.3768e-06 deg
node 178.907425091538 2.9453e-05 deg
peri 246.9336228245405 4.2104e-05 deg
M 312.3246928556821 3.0551e-05 deg
tp 2459366.842376481568
(2021-Jun-01.34237648)
0.00010683 TDB
period 1256.064388889868
3.44
6.4192e-06
1.757e-08
d
yr
n .2866095107737067 1.4647e-09 deg/d
Q 2.446808201939417 8.3364e-09 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      9376 days (25.67 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:51  

Additional Information
 Earth MOID = 1.12941 au 
 Jupiter MOID = 2.73876 au 
 T_jup = 3.597 
[ 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 16.40   n/a MPCxxxxx  

115280 (2003 SM188)          Discovered 2003-Sep-22 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 SM188 = 1995 HC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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