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152274 (2005 SD231)
Classification: Main-belt Asteroid          SPK-ID: 2152274
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197310478852412 3.7051e-08  
a 2.662498087199785 1.3714e-08 au
q 2.137159314670765 9.746e-08 au
i 14.69219069629426 4.356e-06 deg
node 166.503653857029 1.7343e-05 deg
peri 281.631022118221 2.12e-05 deg
M 88.30282598180196 1.1898e-05 deg
tp 2458611.271631883155
(2019-May-07.77163188)
5.1543e-05 TDB
period 1586.837238379454
4.34
1.226e-05
3.357e-08
d
yr
n .226866367446511 1.7528e-09 deg/d
Q 3.187836859728806 1.642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:36:49  

Additional Information
 Earth MOID = 1.20855 au 
 Jupiter MOID = 2.17242 au 
 T_jup = 3.311 
[ 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 15.1   n/a MPO314354  
rotation period rot_per 15.4681 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

152274 (2005 SD231)          Discovered 2005-Sep-30 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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