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190320 (1998 HD33)
Classification: Main-belt Asteroid          SPK-ID: 2190320
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 .2772190931100648 4.791e-08  
a 2.77989981906814 2.5259e-08 au
q 2.009258512289237 1.2979e-07 au
i 7.931968345652487 5.2465e-06 deg
node 14.97941754850933 4.0306e-05 deg
peri 269.4430244805508 4.112e-05 deg
M 269.8080804566686 1.1036e-05 deg
tp 2459624.638087802478
(2022-Feb-14.13808780)
5.5354e-05 TDB
period 1692.942254494702
4.64
2.3074e-05
6.317e-08
d
yr
n .2126475365856176 2.8982e-09 deg/d
Q 3.550541125847043 3.2261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      8351 days (22.86 yr)  
   first obs. used      1998-03-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56601  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:52:30  

Additional Information
 Earth MOID = 1.01046 au 
 Jupiter MOID = 1.73014 au 
 T_jup = 3.263 
[ 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 15.68   n/a E2021B55  

190320 (1998 HD33)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 1998 HD33 = 2004 VH93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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