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227440 (2005 WN30)
Classification: Main-belt Asteroid          SPK-ID: 2227440
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2848055234177792 8.0882e-08  
a 2.597018340243439 2.8177e-08 au
q 1.857373172524834 2.2482e-07 au
i 3.613169413262879 6.3813e-06 deg
node 39.94240654262891 0.00011431 deg
peri 334.2621528923128 0.00011544 deg
M 245.7975001689949 2.2908e-05 deg
tp 2459685.435593216607
(2022-Apr-15.93559322)		 0.00010445 TDB
period 1528.660176583824
4.19		 2.4878e-05
6.811e-08		 d
yr
n .2355003456716657 3.8326e-09 deg/d
Q 3.336663507962045 3.6201e-08 au
   Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6700 days (18.34 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:46  

Additional Information
 Earth MOID = .857787 au 
 Jupiter MOID = 2.12746 au 
 T_jup = 3.355 
[ 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 17.23   n/a E2021B55  

227440 (2005 WN30)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 WN30 = 2001 YG70 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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