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100590 (1997 NP1)
Classification: Main-belt Asteroid          SPK-ID: 2100590
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282014232126873 5.6401e-08  
a 2.776756576657596 1.9997e-08 au
q 2.420772431614903 1.5161e-07 au
i 36.56878852340927 4.8105e-06 deg
node 131.5906038332753 6.8697e-06 deg
peri 353.501803063959 2.1585e-05 deg
M 166.8118463712941 2.516e-05 deg
tp 2458217.377811369413
(2018-Apr-08.87781137)		 0.00011356 TDB
period 1690.071742743603
4.63		 1.8257e-05
4.998e-08		 d
yr
n .2130087089768087 2.301e-09 deg/d
Q 3.132740721700289 2.256e-08 au
   Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1997-07-02  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56005  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:21  

Additional Information
 Earth MOID = 1.43687 au 
 Jupiter MOID = 1.94068 au 
 T_jup = 3.038 
[ 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 14.63   n/a E2021B55  
diameter diameter 4.417 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100590 (1997 NP1)          Discovered 1997-Jul-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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