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74574 (1999 NZ16)
Classification: Main-belt Asteroid          SPK-ID: 2074574
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2122856381522982 4.707e-08  
a 2.288879493369365 1.1666e-08 au
q 1.802983249465741 1.1028e-07 au
i 6.760227538717881 4.8421e-06 deg
node 113.174995623024 4.386e-05 deg
peri 194.0249741251225 4.5565e-05 deg
M 1.545986847384468 1.6603e-05 deg
tp 2458995.068295773211
(2020-May-25.56829577)
5.8305e-05 TDB
period 1264.831925932774
3.46
9.6702e-06
2.648e-08
d
yr
n .2846227966095268 2.1761e-09 deg/d
Q 2.77477573727299 1.4143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      1999-06-15  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60049  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:06:51  

Additional Information
 Earth MOID = .788836 au 
 Jupiter MOID = 2.4807 au 
 T_jup = 3.561 
[ 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 16.3   n/a MPO385286  

74574 (1999 NZ16)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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