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214460 (2005 SM128)
Classification: Main-belt Asteroid          SPK-ID: 2214460
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678501615101238 3.8411e-08  
a 3.138819556147307 3.4186e-08 au
q 2.611968186696846 1.3696e-07 au
i 14.42916589240319 6.0045e-06 deg
node 213.093586385801 1.5293e-05 deg
peri 83.5533432563558 2.5864e-05 deg
M 291.5152949611013 2.1392e-05 deg
tp 2459386.901710613145
(2021-Jun-21.40171061)
0.0001245 TDB
period 2031.17784827608
5.56
3.3184e-05
9.085e-08
d
yr
n .1772370648417333 2.8955e-09 deg/d
Q 3.665670925597767 3.9924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      15584 days (42.67 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:48:13  

Additional Information
 Earth MOID = 1.64659 au 
 Jupiter MOID = 1.7077 au 
 T_jup = 3.141 
[ 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 15.2   n/a MPO433402  
diameter diameter 5.225 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214460 (2005 SM128)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2005 SM128 = 2487 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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