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146321 (2001 LA6)
Classification: Main-belt Asteroid          SPK-ID: 2146321
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2482579808716034 4.1971e-08  
a 2.422816987642411 1.3225e-08 au
q 1.821333334268885 1.013e-07 au
i 12.1906736423382 3.9602e-06 deg
node 135.6957532829254 2.1954e-05 deg
peri 237.5265623462147 2.3271e-05 deg
M 276.603069879893 1.0198e-05 deg
tp 2459319.600074475957
(2021-Apr-15.10007448)
4.0319e-05 TDB
period 1377.461096540386
3.77
1.1278e-05
3.088e-08
d
yr
n .2613503937818436 2.1399e-09 deg/d
Q 3.024300641015937 1.6508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1998-11-13  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:36:35  

Additional Information
 Earth MOID = .851355 au 
 Jupiter MOID = 2.50841 au 
 T_jup = 3.440 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456937.5 (2014-Oct-07.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2472239739016078 4.1921e-08  
q 1.82467000139836 1.0107e-07 au
tp 2456566.616701758384
(2013-Oct-01.11670176)
3.4902e-05 TDB
node 135.7290200977183 2.1947e-05 deg
peri 237.7976253904297 2.3283e-05 deg
i 12.18911252565805 3.96e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1998-11-13  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:36:35  

Additional Information
 Jupiter MOID = 2.50841 au 
 T_jup = 3.440 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.757366782986156E-15 -4.215977599402058E-15 4.579952488767178E-13 -4.254383086618177E-15 8.304754706815577E-14 -9.285642332460688E-16
q -4.215977599402058E-15 1.021612760177663E-14 -1.136000697234287E-12 1.039301751762751E-14 -2.02206607837249E-13 2.465813802109387E-15
tp 4.579952488767178E-13 -1.136000697234287E-12 1.218158101040089E-9 -5.254397807958941E-12 2.960285209181294E-10 -1.398095835239632E-12
node -4.254383086618177E-15 1.039301751762751E-14 -5.254397807958941E-12 4.816576820975652E-10 -4.718783813489363E-10 6.774213658301947E-13
peri 8.304754706815577E-14 -2.02206607837249E-13 2.960285209181294E-10 -4.718783813489363E-10 5.420985826131878E-10 -1.023274048362932E-12
i -9.285642332460688E-16 2.465813802109387E-15 -1.398095835239632E-12 6.774213658301947E-13 -1.023274048362932E-12 1.568191857170772E-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 MPO475268  

146321 (2001 LA6)          Discovered 2001-Jun-11 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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