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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197269099036286 3.706e-08  
a 2.662231436601618 1.366e-08 au
q 2.137055439677139 9.7466e-08 au
i 14.69250365767356 4.3561e-06 deg
node 166.5043737674441 1.7343e-05 deg
peri 281.5921339286404 2.1203e-05 deg
M 133.7307106336866 1.2021e-05 deg
tp 2458611.119463611641
(2019-May-07.61946361)
5.1544e-05 TDB
period 1586.598860459223
4.34
1.2212e-05
3.343e-08
d
yr
n .22690045289444 1.7464e-09 deg/d
Q 3.187407433526096 1.6355e-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 = 1.20825 au 
 Jupiter MOID = 2.17275 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 15.22   n/a E2021B55  
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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