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452629 (2005 SJ254)
Classification: Main-belt Asteroid          SPK-ID: 2452629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988537793011999 8.9989e-08  
a 2.185262937108601 1.1232e-08 au
q 1.750715143297715 1.9623e-07 au
i 7.376432907045896 9.6976e-06 deg
node 8.67955353368057 3.8576e-05 deg
peri 358.7399390986355 4.3302e-05 deg
M 184.8926813940754 1.4654e-05 deg
tp 2459574.425833887363
(2021-Dec-25.92583389)
4.844e-05 TDB
period 1179.92384238622
3.23
9.0967e-06
2.491e-08
d
yr
n .3051044373100841 2.3522e-09 deg/d
Q 2.619810730919487 1.3465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2002-11-13  
   last obs. used      2020-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:38:48  

Additional Information
 Earth MOID = .74961 au 
 Jupiter MOID = 2.84108 au 
 T_jup = 3.641 
[ 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 18.2   n/a MPO460667  

452629 (2005 SJ254)          Discovered 2005-Sep-22 by NEAT at Palomar
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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