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227105 (2005 NW28)
Classification: Main-belt Asteroid          SPK-ID: 2227105
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053457952590696 4.5087e-08  
a 2.313476868109753 1.0719e-08 au
q 1.838414120814294 1.0399e-07 au
i 3.690928800320168 4.9673e-06 deg
node 179.5833206227105 8.4736e-05 deg
peri 165.0914040317269 8.5653e-05 deg
M 112.3774353355403 1.4169e-05 deg
tp 2458799.289043257008
(2019-Nov-11.78904326)		 4.9411e-05 TDB
period 1285.275322365345
3.52		 8.9323e-06
2.446e-08		 d
yr
n .2800956291119612 1.9466e-09 deg/d
Q 2.788539615405211 1.292e-08 au
   Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      15837 days (43.36 yr)  
   first obs. used      1977-09-09  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:46  

Additional Information
 Earth MOID = .829541 au 
 Jupiter MOID = 2.62842 au 
 T_jup = 3.552 
[ 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 17.2   n/a MPO440185  
diameter diameter 2.287 km 0.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227105 (2005 NW28)          Discovered 2005-Jul-05 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 NW28 = 1977 RH16 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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