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392508 (2011 PT4)
Classification: Main-belt Asteroid          SPK-ID: 2392508
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648607004484064 1.6021e-07  
a 2.468157470876754 3.7123e-08 au
q 2.061255301411045 3.6984e-07 au
i 2.142908870345211 1.1921e-05 deg
node 181.1642429320752 0.00011478 deg
peri 129.5398124797746 0.00012852 deg
M 103.4829630093887 5.9221e-05 deg
tp 2458593.378462119396
(2019-Apr-19.87846212)
0.00022553 TDB
period 1416.308050859734
3.88
3.1953e-05
8.748e-08
d
yr
n .2541819908327649 5.7346e-09 deg/d
Q 2.875059640342462 4.3243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      4969 days (13.60 yr)  
   first obs. used      2006-03-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:34:22  

Additional Information
 Earth MOID = 1.04771 au 
 Jupiter MOID = 2.38482 au 
 T_jup = 3.466 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457655.5 (2016-Sep-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165762215866271 1.6088e-07  
q 2.058336832724025 3.7221e-07 au
tp 2457178.178059918978
(2015-Jun-04.67805992)
0.00020012 TDB
node 181.1883078585145 0.0001147 deg
peri 129.6804377929626 0.00012833 deg
i 2.143454663628884 1.1929e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      4969 days (13.60 yr)  
   first obs. used      2006-03-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:34:22  

Additional Information
 Jupiter MOID = 2.38482 au 
 T_jup = 3.466 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.588242641324193E-14 -5.981956130634799E-14 2.93205325917871E-11 -2.925571249860314E-14 8.342308912798533E-12 -6.977344904976157E-14
q -5.981956130634799E-14 1.385414726438426E-13 -6.789313853120201E-11 6.70570622756275E-14 -1.92879437754229E-11 1.624648033222837E-13
tp 2.93205325917871E-11 -6.789313853120201E-11 4.004875674168465E-8 -1.796064795294573E-11 1.151859529235784E-8 -8.595997409247102E-11
node -2.925571249860314E-14 6.70570622756275E-14 -1.796064795294573E-11 1.315532088691679E-8 -1.314941826719893E-8 -1.523258429816657E-10
peri 8.342308912798533E-12 -1.92879437754229E-11 1.151859529235784E-8 -1.314941826719893E-8 1.646938685072511E-8 1.278706068263943E-10
i -6.977344904976157E-14 1.624648033222837E-13 -8.595997409247102E-11 -1.523258429816657E-10 1.278706068263943E-10 1.423050518805488E-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 17.1   n/a MPO450378  

392508 (2011 PT4)          Discovered 2010-Mar-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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