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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970971711238341 3.6986e-08  
a 2.662494801024287 1.3532e-08 au
q 2.137724607610484 9.7359e-08 au
i 14.69250960408258 4.3532e-06 deg
node 166.501520242367 1.7322e-05 deg
peri 281.5650616847039 2.1199e-05 deg
M 178.2500083454835 1.2155e-05 deg
tp 2458610.796590783627
(2019-May-07.29659078)
5.1545e-05 TDB
period 1586.83430056098
4.34
1.2097e-05
3.312e-08
d
yr
n .2268667874602485 1.7295e-09 deg/d
Q 3.187264994438089 1.6199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52843  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:48:09  

Additional Information
 Earth MOID = 1.20923 au 
 Jupiter MOID = 2.17295 au 
 T_jup = 3.311 
[ 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 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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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