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74575 (1999 NV18)
Classification: Main-belt Asteroid          SPK-ID: 2074575
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1491087564799055 5.4127e-08  
a 2.274400620426603 1.2211e-08 au
q 1.935267572177666 1.2694e-07 au
i 8.101586124339509 5.3516e-06 deg
node 93.92411394638687 3.9e-05 deg
peri 223.2846932356369 4.3908e-05 deg
M 13.12053858960096 2.5077e-05 deg
tp 2458954.838724725277
(2020-Apr-15.33872473)
8.71e-05 TDB
period 1252.849415185497
3.43
1.0089e-05
2.762e-08
d
yr
n .2873449878624864 2.314e-09 deg/d
Q 2.613533668675538 1.4031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      7340 days (20.10 yr)  
   first obs. used      1999-06-15  
   last obs. used      2019-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:19:03  

Additional Information
 Earth MOID = .930123 au 
 Jupiter MOID = 2.65459 au 
 T_jup = 3.582 
[ 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 15.8   n/a MPO333435  

74575 (1999 NV18)          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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