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180174 (2003 HN42)
Classification: Main-belt Asteroid          SPK-ID: 2180174
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481229789082928 5.707e-08  
a 3.092104306502834 2.4094e-08 au
q 2.634092605528473 1.7767e-07 au
i 8.866263927046257 5.495e-06 deg
node 193.0901271367883 3.0613e-05 deg
peri 6.828973776756994 3.5417e-05 deg
M 105.5846937881839 1.5526e-05 deg
tp 2458618.023921364394
(2019-May-14.52392136)
8.6047e-05 TDB
period 1986.001765838193
5.44
2.3212e-05
6.355e-08
d
yr
n .1812687210013944 2.1187e-09 deg/d
Q 3.550116007477195 2.7662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      10288 days (28.17 yr)  
   first obs. used      1992-04-28  
   last obs. used      2020-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58755  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:26  

Additional Information
 Earth MOID = 1.63138 au 
 Jupiter MOID = 1.40514 au 
 T_jup = 3.189 
[ 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 15.26   n/a E2021B55  

180174 (2003 HN42)          Discovered 2003-Apr-28 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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