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172151 (2002 LL43)
Classification: Main-belt Asteroid          SPK-ID: 2172151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542152783043023 9.0327e-08  
a 2.641488698934084 2.4929e-08 au
q 2.234130784090295 2.4492e-07 au
i 13.85884686480663 7.245e-06 deg
node 248.9409858007574 4.0204e-05 deg
peri 104.9311093948052 4.9806e-05 deg
M 21.69340965634179 2.9266e-05 deg
tp 2458906.007600136279
(2020-Feb-26.50760014)
0.00012696 TDB
period 1568.092083716996
4.29
2.2198e-05
6.077e-08
d
yr
n .2295783543187453 3.25e-09 deg/d
Q 3.048846613777873 2.8774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      7152 days (19.58 yr)  
   first obs. used      1998-08-27  
   last obs. used      2018-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56153  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 15:45:56  

Additional Information
 Earth MOID = 1.27793 au 
 Jupiter MOID = 2.52272 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456362.5 (2013-Mar-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567639731596256 8.9988e-08  
q 2.226470899324423 2.4453e-07 au
tp 2455771.452096863328
(2011-Jul-28.95209686)
0.00011381 TDB
node 248.9804590406702 4.0237e-05 deg
peri 105.1942015453391 4.9453e-05 deg
i 13.85619461324967 7.2419e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      7152 days (19.58 yr)  
   first obs. used      1998-08-27  
   last obs. used      2018-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56153  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 15:45:56  

Additional Information
 Jupiter MOID = 2.52272 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.097912853111851E-15 -2.192821497529826E-14 -4.090012727206349E-12 -4.010124258258906E-14 -1.132298136346648E-12 -2.758412822807648E-14
q -2.192821497529826E-14 5.979265651314531E-14 1.088169852136684E-11 1.168019675449921E-13 3.032947987163281E-12 7.670852750996836E-14
tp -4.090012727206349E-12 1.088169852136684E-11 1.295224090918358E-8 6.37602199279889E-12 3.38309391468682E-9 2.041677604859086E-11
node -4.010124258258906E-14 1.168019675449921E-13 6.37602199279889E-12 1.619007799534209E-9 -1.568930355763191E-9 4.403651088631122E-11
peri -1.132298136346648E-12 3.032947987163281E-12 3.38309391468682E-9 -1.568930355763191E-9 2.445559700287195E-9 -3.711981337896099E-11
i -2.758412822807648E-14 7.670852750996836E-14 2.041677604859086E-11 4.403651088631122E-11 -3.711981337896099E-11 5.244538621871578E-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 15.4   n/a MPO348416  

172151 (2002 LL43)          Discovered 2002-Jun-10 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 LL43 = 1998 QS110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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