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129300 (2005 SY151)
Classification: Main-belt Asteroid          SPK-ID: 2129300
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185650620391801 3.6314e-08  
a 2.792676113852446 1.684e-08 au
q 2.274214060762375 1.0531e-07 au
i 13.52861771936114 5.2e-06 deg
node 204.4187120834541 1.7469e-05 deg
peri 267.2762947375455 2.362e-05 deg
M 348.5802511916801 1.3863e-05 deg
tp 2459054.573357065702
(2020-Jul-24.07335707)
6.5703e-05 TDB
period 1704.626684036203
4.67
1.5418e-05
4.221e-08
d
yr
n .2111899358207831 1.9102e-09 deg/d
Q 3.311138166942516 1.9966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      7951 days (21.77 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:03:42  

Additional Information
 Earth MOID = 1.33793 au 
 Jupiter MOID = 2.03391 au 
 T_jup = 3.263 
[ 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 15.6   n/a MPO502831  

129300 (2005 SY151)          Discovered 2005-Sep-25 by NEAT at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2005 SY151 = 1998 HJ152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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