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66407 (1999 LQ28)
Classification: Amor [NEO]          SPK-ID: 2066407
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 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199893892086911 4.7908e-08  
a 1.198462974026249 1.7729e-09 au
q 1.054660133783608 5.7296e-08 au
i 21.77152130428096 5.276e-06 deg
node 94.99834043813787 1.0732e-05 deg
peri 320.5355769043237 2.4505e-05 deg
M 355.9483909013369 2.9065e-05 deg
tp 2459205.893372243043
(2020-Dec-22.39337224)
3.8695e-05 TDB
period 479.2204677732065
1.31
1.0634e-06
2.911e-09
d
yr
n .7512200004161171 1.6669e-09 deg/d
Q 1.342265814268889 1.9856e-09 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      14144 days (38.72 yr)  
   first obs. used      1982-07-27  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:25:57  

Additional Information
 Earth MOID = .0957581 au 
 Jupiter MOID = 3.88458 au 
 T_jup = 5.227 
[ 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 18.96   n/a E2021B10  

66407 (1999 LQ28)          Discovered 1999-Jun-14 by LINEAR at Socorro
Reference: 20030910/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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