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385345 (2002 NW72)
Classification: Main-belt Asteroid          SPK-ID: 2385345
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440785942846601 8.1514e-08  
a 2.645292910428109 2.8135e-08 au
q 1.999633535379639 2.162e-07 au
i 10.67332271705033 9.5735e-06 deg
node 273.9127944631847 5.3007e-05 deg
peri 307.0332968298054 5.9051e-05 deg
M 152.5430188436014 3.1023e-05 deg
tp 2458534.615485949514
(2019-Feb-20.11548595)
0.0001291 TDB
period 1571.480798501518
4.30
2.5071e-05
6.864e-08
d
yr
n .2290832954136488 3.6547e-09 deg/d
Q 3.290952285476579 3.5002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6749 days (18.48 yr)  
   first obs. used      2002-06-24  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5226  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:03  

Additional Information
 Earth MOID = 1.00969 au 
 Jupiter MOID = 1.8186 au 
 T_jup = 3.326 
[ 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 16.86   n/a MPCxxxxx  
diameter diameter 1.402 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

385345 (2002 NW72)          Discovered 2002-Jul-08 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

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