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390992 (2005 SM86)
Classification: Main-belt Asteroid          SPK-ID: 2390992
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05212353647316586 9.4911e-08  
a 3.157764939815038 4.7352e-08 au
q 2.993171063800905 3.2591e-07 au
i 12.02158941395777 9.885e-06 deg
node 21.57079807746283 2.4119e-05 deg
peri 304.8644485778465 8.9118e-05 deg
M 264.1787787592493 8.5511e-05 deg
tp 2459546.040912165579
(2021-Nov-27.54091217)
0.00048856 TDB
period 2049.595338449787
5.61
4.6102e-05
1.262e-07
d
yr
n .1756444275835865 3.9508e-09 deg/d
Q 3.322358815829171 4.982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5358 days (14.67 yr)  
   first obs. used      2005-09-24  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:36:47  

Additional Information
 Earth MOID = 2.00283 au 
 Jupiter MOID = 1.89764 au 
 T_jup = 3.170 
[ 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 15.9   n/a MPO472017  

390992 (2005 SM86)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2005 SM86 = 2008 EH101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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