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187255 (2005 SD248)
Classification: Main-belt Asteroid          SPK-ID: 2187255
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01575026483689373 5.7206e-08  
a 2.912997947606131 2.2851e-08 au
q 2.867117458462006 1.6485e-07 au
i 1.536219661535395 6.0504e-06 deg
node 4.282042795710018 0.00018957 deg
peri 201.2283736242224 0.00024849 deg
M 195.6851909853473 0.00016131 deg
tp 2460029.363280613872
(2023-Mar-25.86328061)		 0.00081522 TDB
period 1815.970105253173
4.97		 2.1368e-05
5.85e-08		 d
yr
n .198241148881584 2.3326e-09 deg/d
Q 2.958878436750255 2.321e-08 au
   Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      9211 days (25.22 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:38  

Additional Information
 Earth MOID = 1.85988 au 
 Jupiter MOID = 1.99847 au 
 T_jup = 3.282 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO446112  

187255 (2005 SD248)          Discovered 2005-Sep-30 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 SD248 = 1995 SN44 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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