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108656 (2001 NW19)
Classification: Main-belt Asteroid          SPK-ID: 2108656
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 .218715955769975 6.6967e-08  
a 2.448709794466822 2.0927e-08 au
q 1.913137891366712 1.6199e-07 au
i 13.82709691760722 6.4685e-06 deg
node 285.0919003288843 3.1706e-05 deg
peri 57.49277348270405 3.8499e-05 deg
M 309.73885018724 2.9644e-05 deg
tp 2459195.904393060242
(2020-Dec-12.40439306)
0.0001174 TDB
period 1399.601516554006
3.83
1.7941e-05
4.912e-08
d
yr
n .2572160688181911 3.2972e-09 deg/d
Q 2.984281697566932 2.5504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7954 days (21.78 yr)  
   first obs. used      1997-06-28  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56801  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:38:17  

Additional Information
 Earth MOID = .940595 au 
 Jupiter MOID = 2.48722 au 
 T_jup = 3.425 
[ 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 15.7   n/a MPO284826  
diameter diameter 4.033 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108656 (2001 NW19)          Discovered 2001-Jul-12 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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