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385761 (2005 YK74)
Classification: Main-belt Asteroid          SPK-ID: 2385761
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09596464645782937 7.1381e-08  
a 2.457650576043865 2.1905e-08 au
q 2.221803007396935 1.7454e-07 au
i 2.667592136475273 5.5386e-06 deg
node 293.3830136124923 0.0001429 deg
peri 227.5618022241799 0.00014611 deg
M 264.8760080757098 3.2024e-05 deg
tp 2459572.348639772997
(2021-Dec-23.84863977)
0.00012762 TDB
period 1407.273891794023
3.85
1.8815e-05
5.151e-08
d
yr
n .2558137418019347 3.4202e-09 deg/d
Q 2.693498144690795 2.4008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5458 days (14.94 yr)  
   first obs. used      2005-12-08  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:31  

Additional Information
 Earth MOID = 1.23102 au 
 Jupiter MOID = 2.29092 au 
 T_jup = 3.484 
[ 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 18.02   n/a MPCxxxxx  
rotation period rot_per 3.79 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

385761 (2005 YK74)          Discovered 2005-Dec-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2005 YK74 = 2010 CS69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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