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268453 (2005 WA72)
Classification: Main-belt Asteroid          SPK-ID: 2268453
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08889031421997884 5.462e-08  
a 2.55511662734783 2.7589e-08 au
q 2.327991507474189 1.4752e-07 au
i 13.03349414760507 6.8515e-06 deg
node 286.5089172796492 3.4232e-05 deg
peri 130.9525738595898 7.7087e-05 deg
M 187.7422690295707 7.1175e-05 deg
tp 2459714.323334271904
(2022-May-14.82333427)		 0.00030207 TDB
period 1491.813452378514
4.08		 2.4162e-05
6.615e-08		 d
yr
n .2413170356025574 3.9084e-09 deg/d
Q 2.782241747221471 3.0041e-08 au
   Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56269  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:12:51  

Additional Information
 Earth MOID = 1.36232 au 
 Jupiter MOID = 2.48069 au 
 T_jup = 3.396 
[ 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 16.0   n/a MPO427488  

268453 (2005 WA72)          Discovered 2005-Nov-22 by CSS at Catalina
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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