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190688 (2001 DB89)
Classification: Main-belt Asteroid          SPK-ID: 2190688
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055310274761973 6.6937e-08  
a 3.046477482641082 3.0109e-08 au
q 2.72497958371487 2.1365e-07 au
i 5.957843451488158 6.2197e-06 deg
node 159.9680444643632 5.7299e-05 deg
peri 33.26281607641565 6.3173e-05 deg
M 242.8948827982119 2.9589e-05 deg
tp 2459832.284196020115
(2022-Sep-09.78419602)		 0.00016568 TDB
period 1942.206421050988
5.32		 2.8793e-05
7.883e-08		 d
yr
n .1853561990620919 2.7479e-09 deg/d
Q 3.367975381567295 3.3287e-08 au
   Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      9069 days (24.83 yr)  
   first obs. used      1996-03-18  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:43  

Additional Information
 Earth MOID = 1.72666 au 
 Jupiter MOID = 1.59105 au 
 T_jup = 3.222 
[ 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 16.0   n/a MPO494052  

190688 (2001 DB89)          Discovered 2001-Feb-27 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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