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129198 (2005 NW2)
Classification: Main-belt Asteroid          SPK-ID: 2129198
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379243604713978 3.7673e-08  
a 2.728261232586568 1.7342e-08 au
q 2.351967546883158 1.0287e-07 au
i 10.51874201593753 4.6184e-06 deg
node 129.4262054025627 2.0627e-05 deg
peri 210.0153791922665 2.7446e-05 deg
M 82.39514813985343 1.6775e-05 deg
tp 2458623.773220579068
(2019-May-20.27322058)
7.5922e-05 TDB
period 1645.990615385969
4.51
1.5693e-05
4.297e-08
d
yr
n .2187132761480439 2.0853e-09 deg/d
Q 3.104554918289979 1.9733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      6669 days (18.26 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53695  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:50:47  

Additional Information
 Earth MOID = 1.34835 au 
 Jupiter MOID = 2.26953 au 
 T_jup = 3.317 
[ 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 15.7   n/a MPO502831  
diameter diameter 2.469 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129198 (2005 NW2)          Discovered 2005-Jul-03 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2005 NW2 = 2001 QX285 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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