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357937 (2005 YJ12)
Classification: Main-belt Asteroid          SPK-ID: 2357937
[ 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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1070284147622507 5.2507e-08  
a 2.221294601866906 1.3543e-08 au
q 1.983552961909147 1.1766e-07 au
i 5.174529029586278 5.8492e-06 deg
node 278.3106422857085 6.2766e-05 deg
peri 168.6896818538014 7.1195e-05 deg
M 134.5519480346665 3.1881e-05 deg
tp 2458548.545039176962
(2019-Mar-06.04503918)		 0.00010581 TDB
period 1209.226534976468
3.31		 1.1058e-05
3.028e-08		 d
yr
n .297710966131756 2.7226e-09 deg/d
Q 2.459036241824666 1.4992e-08 au
   Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5261 days (14.40 yr)  
   first obs. used      2005-11-30  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49271  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:19:52  

Additional Information
 Earth MOID = 1.00023 au 
 Jupiter MOID = 2.70398 au 
 T_jup = 3.636 
[ 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 18.2   n/a MPO460410  

357937 (2005 YJ12)          Discovered 2005-Dec-21 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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