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101877 (1999 NA16)
Classification: Main-belt Asteroid          SPK-ID: 2101877
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163573890236942 4.3335e-08  
a 2.342580479561925 1.2423e-08 au
q 1.95939547732686 1.0483e-07 au
i 5.74121772132465 4.6994e-06 deg
node 284.0703307294733 4.4312e-05 deg
peri 31.04446282782611 4.6226e-05 deg
M 334.8343566485697 1.4247e-05 deg
tp 2459292.047342883360
(2021-Mar-18.54734288)		 5.2051e-05 TDB
period 1309.604645419742
3.59		 1.0418e-05
2.852e-08		 d
yr
n .2748921220301692 2.1867e-09 deg/d
Q 2.72576548179699 1.4455e-08 au
   Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      9616 days (26.33 yr)  
   first obs. used      1994-01-13  
   last obs. used      2020-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:09  

Additional Information
 Earth MOID = .945997 au 
 Jupiter MOID = 2.54416 au 
 T_jup = 3.538 
[ 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 16.10   n/a E2021B55  
diameter diameter 1.298 km 0.327 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.458   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101877 (1999 NA16)          Discovered 1999-Jul-14 by LINEAR at Socorro
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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