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180703 (2004 HW46)
Classification: Main-belt Asteroid          SPK-ID: 2180703
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815569990258254 4.3065e-08  
a 2.722100670647841 1.7424e-08 au
q 2.227884241838832 1.2252e-07 au
i 13.05348238889873 5.2211e-06 deg
node .9703848935350573 1.9951e-05 deg
peri 262.1796249811865 2.734e-05 deg
M 217.037449174036 2.3147e-05 deg
tp 2459851.940099987328
(2022-Sep-29.44009999)
0.00010891 TDB
period 1640.418659575613
4.49
1.575e-05
4.312e-08
d
yr
n .219456172300024 2.1071e-09 deg/d
Q 3.21631709945685 2.0588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      8923 days (24.43 yr)  
   first obs. used      1996-09-12  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:36  

Additional Information
 Earth MOID = 1.25708 au 
 Jupiter MOID = 2.03481 au 
 T_jup = 3.297 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO264420  

180703 (2004 HW46)          Discovered 2004-Apr-22 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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