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192630 (1999 LL)
Classification: Main-belt Asteroid          SPK-ID: 2192630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011843181761982 3.0181e-08  
a 2.555061375089613 1.3079e-08 au
q 2.04102309444387 7.5353e-08 au
i 15.14595530081607 9.6225e-06 deg
node 235.1848828977405 1.5729e-05 deg
peri 78.43893599632291 3.1648e-05 deg
M 65.80882240290482 2.6132e-05 deg
tp 2458927.801938468277
(2020-Mar-19.30193847)
0.00010788 TDB
period 1491.765063814407
4.08
1.1454e-05
3.136e-08
d
yr
n .2413248632324776 1.8529e-09 deg/d
Q 3.069099655735356 1.571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      7863 days (21.53 yr)  
   first obs. used      1999-06-05  
   last obs. used      2020-12-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:57  

Additional Information
 Earth MOID = 1.08781 au 
 Jupiter MOID = 2.32882 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011945587185222 3.0202e-08  
q 2.041277440364155 7.5501e-08 au
tp 2457437.210941921862
(2016-Feb-18.71094192)
0.00010689 TDB
node 235.2010274259343 1.5723e-05 deg
peri 78.75369876986979 3.1694e-05 deg
i 15.14885176756048 9.6256e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      7863 days (21.53 yr)  
   first obs. used      1999-06-05  
   last obs. used      2020-12-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:57  

Additional Information
 Jupiter MOID = 2.32882 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.121865798931211E-16 -2.259419599412183E-15 7.365592949674006E-13 -5.934067161386193E-16 1.74517599886074E-13 -3.257524049394542E-15
q -2.259419599412183E-15 5.700365845868524E-15 -1.829630747641985E-12 -1.659491164030849E-16 -4.336923323959809E-13 9.427985464256224E-15
tp 7.365592949674006E-13 -1.829630747641985E-12 1.142442859513448E-8 -2.849910995424151E-11 2.952547555870797E-9 -2.77288204322331E-11
node -5.934067161386193E-16 -1.659491164030849E-16 -2.849910995424151E-11 2.472123792529986E-10 -2.460742271085229E-10 -7.986469457480476E-11
peri 1.74517599886074E-13 -4.336923323959809E-13 2.952547555870797E-9 -2.460742271085229E-10 1.004501444282593E-9 7.059298687221323E-11
i -3.257524049394542E-15 9.427985464256224E-15 -2.77288204322331E-11 -7.986469457480476E-11 7.059298687221323E-11 9.265275334334573E-11

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 16.05   n/a E2021B55  

192630 (1999 LL)          Discovered 1999-Jun-05 by Zoltowski, F. B. at Woomera
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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