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20086 (1994 LW)
Classification: Amor [NEO]          SPK-ID: 2020086
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 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6232353376654908 4.4747e-08  
a 3.184248763840897 2.6725e-08 au
q 1.199712410297594 1.4118e-07 au
i 21.77237616588755 1.4415e-05 deg
node 237.1979165014897 1.8982e-05 deg
peri 57.92453138951214 2.4328e-05 deg
M 233.1397135004627 5.0436e-06 deg
tp 2459931.861504421860
(2022-Dec-18.36150442)
3.6423e-05 TDB
period 2075.433919131422
5.68
2.6129e-05
7.154e-08
d
yr
n .1734577028357817 2.1837e-09 deg/d
Q 5.1687851173842 4.3382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      8618 days (23.59 yr)  
   first obs. used      1994-06-03  
   last obs. used      2018-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:12:55  

Additional Information
 Earth MOID = .316557 au 
 Jupiter MOID = 1.15076 au 
 T_jup = 2.770 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454446.5 (2007-Dec-12.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6165950557302246 4.301e-08  
q 1.223231243366944 1.3528e-07 au
tp 2453696.068343889577
(2005-Nov-21.56834389)
3.3488e-05 TDB
node 239.6266846620892 1.8895e-05 deg
peri 56.099584940949 2.4771e-05 deg
i 22.40846392951908 1.3761e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      8618 days (23.59 yr)  
   first obs. used      1994-06-03  
   last obs. used      2018-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:12:55  

Additional Information
 Jupiter MOID = 1.15076 au 
 T_jup = 2.770 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.84987845508384E-15 -5.815758393316123E-15 -8.397651949905615E-13 1.791036072190595E-13 -3.69056480793104E-13 -2.958586211779959E-13
q -5.815758393316123E-15 1.830006740893197E-14 2.566759945456435E-12 -5.379020233978671E-13 1.112226639275651E-12 8.98724348552152E-13
tp -8.397651949905615E-13 2.566759945456435E-12 1.121432797789693E-9 -2.546289406518452E-10 6.183108392287417E-10 2.451504368265332E-10
node 1.791036072190595E-13 -5.379020233978671E-13 -2.546289406518452E-10 3.570307436959073E-10 -4.071584048885754E-10 -8.18126829235833E-13
peri -3.69056480793104E-13 1.112226639275651E-12 6.183108392287417E-10 -4.071584048885754E-10 6.136213779464066E-10 3.661334881324445E-11
i -2.958586211779959E-13 8.98724348552152E-13 2.451504368265332E-10 -8.18126829235833E-13 3.661334881324445E-11 1.893762764932841E-10

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 16.7   n/a MPO435886  

20086 (1994 LW)          Discovered 1994-Jun-12 by McNaught, R. H. at Siding Spring
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

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