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175286 (2005 LL9)
Classification: Main-belt Asteroid          SPK-ID: 2175286
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 .133876441834882 5.4323e-08  
a 2.404894961568552 1.5834e-08 au
q 2.082936181127119 1.2658e-07 au
i 2.511476026489582 5.7749e-06 deg
node 172.3625252559157 9.6401e-05 deg
peri 25.76113915353219 9.7633e-05 deg
M 98.48641746809747 1.677e-05 deg
tp 2458827.836863640426
(2019-Dec-10.33686364)
6.2187e-05 TDB
period 1362.205393783406
3.73
1.3453e-05
3.683e-08
d
yr
n .2642773267841287 2.61e-09 deg/d
Q 2.726853742009985 1.7954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      2001-03-03  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:46  

Additional Information
 Earth MOID = 1.08055 au 
 Jupiter MOID = 2.22745 au 
 T_jup = 3.510 
[ 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 17.34   n/a E2021B55  

175286 (2005 LL9)          Discovered 2005-Jun-01 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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