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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026751466542298 4.3612e-08  
a 3.025371152655854 2.6283e-08 au
q 2.714740725873438 1.3756e-07 au
i 7.558814185252264 5.0791e-06 deg
node 287.7741547019446 4.3932e-05 deg
peri 169.8062386568601 5.5218e-05 deg
M 343.9196553807461 3.261e-05 deg
tp 2459086.353750171959
(2020-Aug-24.85375017)
0.00017436 TDB
period 1922.05769177971
5.26
2.5046e-05
6.857e-08
d
yr
n .1872992686638149 2.4407e-09 deg/d
Q 3.33600157943827 2.8981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1997-07-02  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49395  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:08:12  

Additional Information
 Earth MOID = 1.73199 au 
 Jupiter MOID = 1.81743 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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