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74584 (1999 NH50)
Classification: Main-belt Asteroid          SPK-ID: 2074584
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1791978695844441 3.8927e-08  
a 2.241992226827515 1.1331e-08 au
q 1.84023199615514 8.699e-08 au
i 3.141186223744526 4.3956e-06 deg
node 256.417361418317 9.8617e-05 deg
peri 32.86890903932573 9.9971e-05 deg
M 88.20456600688352 2.0514e-05 deg
tp 2458700.073562880130
(2019-Aug-04.57356288)
6.843e-05 TDB
period 1226.166878421157
3.36
9.2953e-06
2.545e-08
d
yr
n .2935978832371864 2.2257e-09 deg/d
Q 2.643752457499889 1.3361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      8158 days (22.34 yr)  
   first obs. used      1996-10-04  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58043  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:13:58  

Additional Information
 Earth MOID = .824871 au 
 Jupiter MOID = 2.52127 au 
 T_jup = 3.610 
[ 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 16.4   n/a MPO436304  

74584 (1999 NH50)          Discovered 1999-Jul-13 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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