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187261 (2005 SM279)
Classification: Main-belt Asteroid          SPK-ID: 2187261
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048262385549969 6.2234e-08  
a 3.083846263736881 3.5255e-08 au
q 2.760578259627463 1.784e-07 au
i 3.532320057103699 6.1956e-06 deg
node 45.18725186991033 0.00010006 deg
peri 51.07007761488524 0.00010402 deg
M 219.3600415127511 3.1731e-05 deg
tp 2459973.258400290641
(2023-Jan-28.75840029)
0.00018036 TDB
period 1978.051096551291
5.42
3.392e-05
9.287e-08
d
yr
n .1819973208112044 3.1209e-09 deg/d
Q 3.407114267846299 3.895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      7178 days (19.65 yr)  
   first obs. used      2000-11-03  
   last obs. used      2020-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:40  

Additional Information
 Earth MOID = 1.77889 au 
 Jupiter MOID = 1.75119 au 
 T_jup = 3.216 
[ 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 16.23   n/a E2021B55  

187261 (2005 SM279)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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