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JPL Small-Body Database Browser
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154253 (2002 LH39)
Classification: Main-belt Asteroid          SPK-ID: 2154253
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1164165020633357 4.6424e-08  
a 3.187633632057056 2.7357e-08 au
q 2.816540474753527 1.5267e-07 au
i 7.970405665332641 6.0034e-06 deg
node 172.9396193291265 3.7408e-05 deg
peri 85.23007364857743 4.5808e-05 deg
M 45.75626018504303 2.5579e-05 deg
tp 2458736.290123863250
(2019-Sep-09.79012386)
0.00014722 TDB
period 2078.744089324015
5.69
2.676e-05
7.326e-08
d
yr
n .1731814906168022 2.2294e-09 deg/d
Q 3.558726789360585 3.0541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8479 days (23.21 yr)  
   first obs. used      1996-05-10  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:31:09  

Additional Information
 Earth MOID = 1.81658 au 
 Jupiter MOID = 1.55166 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457164.5 (2015-May-22.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146720232421493 4.6382e-08  
q 2.822156333128773 1.5149e-07 au
tp 2456663.804237353326
(2014-Jan-06.30423735)
0.00015055 TDB
node 173.0887953190002 3.7409e-05 deg
peri 86.13059840498626 4.6169e-05 deg
i 7.968810849771166 6.0065e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8479 days (23.21 yr)  
   first obs. used      1996-05-10  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:31:09  

Additional Information
 Jupiter MOID = 1.55166 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.151272239780277E-15 -6.94078387211792E-15 -2.498688291522799E-12 -1.680301707928969E-15 -4.393171675012013E-13 -4.696987185921074E-15
q -6.94078387211792E-15 2.295025910824292E-14 7.654616473154842E-12 9.885323084867397E-15 1.364747747089955E-12 1.634228765172303E-14
tp -2.498688291522799E-12 7.654616473154842E-12 2.266413533176408E-8 -7.073993963560807E-12 4.10921611975124E-9 8.189409835521594E-12
node -1.680301707928969E-15 9.885323084867397E-15 -7.073993963560807E-12 1.399418353490836E-9 -1.386499689733409E-9 7.397599964176375E-11
peri -4.393171675012013E-13 1.364747747089955E-12 4.10921611975124E-9 -1.386499689733409E-9 2.13158016628946E-9 -7.175300573475397E-11
i -4.696987185921074E-15 1.634228765172303E-14 8.189409835521594E-12 7.397599964176375E-11 -7.175300573475397E-11 3.607812478507651E-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 14.9   n/a MPO475333  

154253 (2002 LH39)          Discovered 2002-Jun-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2002 LH39 = 1996 JT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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