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187222 (2005 SZ135)
Classification: Main-belt Asteroid          SPK-ID: 2187222
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08521990547066566 5.1074e-08  
a 3.020258365465874 2.6494e-08 au
q 2.762872233063884 1.4972e-07 au
i 2.277615474151951 6.2039e-06 deg
node 142.0534080541078 0.00014511 deg
peri 297.0788622238317 0.00015128 deg
M 262.7457739549767 4.5061e-05 deg
tp 2459718.429385443918
(2022-May-18.92938544)
0.00024364 TDB
period 1917.187420457107
5.25
2.5227e-05
6.907e-08
d
yr
n .1877750689153628 2.4708e-09 deg/d
Q 3.277644497867863 2.8752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:30  

Additional Information
 Earth MOID = 1.77901 au 
 Jupiter MOID = 1.91293 au 
 T_jup = 3.240 
[ 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 16.75   n/a E2021B55  
rotation period rot_per 3.57 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

187222 (2005 SZ135)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2005 SZ135 = 2002 CN258 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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