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100591 (1997 NW2)
Classification: Main-belt Asteroid          SPK-ID: 2100591
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027989868210885 4.1362e-08  
a 3.025788332869839 2.367e-08 au
q 2.714740357915749 1.2731e-07 au
i 7.558503976368208 5.0473e-06 deg
node 287.7743799802118 3.9389e-05 deg
peri 169.7401166156916 5.0963e-05 deg
M 21.42827987160875 3.0358e-05 deg
tp 2459086.069695916153
(2020-Aug-24.56969592)
0.000162 TDB
period 1922.455265518807
5.26
2.2559e-05
6.176e-08
d
yr
n .1872605342017402 2.1974e-09 deg/d
Q 3.336836307823929 2.6104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1997-07-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:44  

Additional Information
 Earth MOID = 1.73179 au 
 Jupiter MOID = 1.81668 au 
 T_jup = 3.224 
[ 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 15.2   n/a MPO412741  
diameter diameter 4.411 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100591 (1997 NW2)          Discovered 1997-Jul-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 NW2 = 2000 CF60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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