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385628 (2005 NG84)
Classification: Main-belt Asteroid          SPK-ID: 2385628
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772414290746518 5.3445e-08  
a 2.354860328598574 1.5719e-08 au
q 1.937481518686558 1.1898e-07 au
i 3.569429217068766 4.5686e-06 deg
node 98.80741118591605 8.1588e-05 deg
peri 249.7581144238293 8.3104e-05 deg
M 60.68785198884395 1.4772e-05 deg
tp 2458977.992106465711
(2020-May-08.49210647)
5.336e-05 TDB
period 1319.915585199312
3.61
1.3216e-05
3.618e-08
d
yr
n .2727447149172337 2.7308e-09 deg/d
Q 2.772239138510589 1.8505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6148 days (16.83 yr)  
   first obs. used      2004-03-18  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56151  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:04  

Additional Information
 Earth MOID = .932609 au 
 Jupiter MOID = 2.64766 au 
 T_jup = 3.531 
[ 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 17.52   n/a MPCxxxxx  
diameter diameter 1.847 km 0.440 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

385628 (2005 NG84)          Discovered 2005-Jul-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2005 NG84 = 2009 SQ187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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