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5011 Ptah (6743 P-L)
Classification: Apollo [NEO, PHA]          SPK-ID: 2005011
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 150 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5000774559269531 5.8631e-08  
a 1.636361893992326 8.5149e-09 au
q .8180542010688332 9.2957e-08 au
i 7.405384634137387 4.1574e-06 deg
node 10.72728525243609 3.1867e-05 deg
peri 105.8139191869159 3.2392e-05 deg
M 140.1404810198222 2.1138e-05 deg
tp 2458702.868724029883
(2019-Aug-07.36872403)
4.2658e-05 TDB
period 764.5703694572483
2.09
5.9677e-06
1.634e-08
d
yr
n .4708526701807135 3.6751e-09 deg/d
Q 2.454669586915819 1.2773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      21820 days (59.74 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-22 06:40:43  

Additional Information
 Earth MOID = .0248728 au 
 Jupiter MOID = 2.69286 au 
 T_jup = 4.143 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456724.5 (2014-Mar-08.0) TDB
Reference: JPL 150 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5000316410030988 5.8764e-08  
q .8178309596141539 9.2946e-08 au
tp 2456410.639105361665
(2013-Apr-28.13910536)
2.4312e-05 TDB
node 10.79358843163799 3.1864e-05 deg
peri 105.7249132289321 3.2404e-05 deg
i 7.40676211555907 4.157e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      21820 days (59.74 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-22 06:40:43  

Additional Information
 Jupiter MOID = 2.69286 au 
 T_jup = 4.143 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.453259212061167E-15 -5.458370987872921E-15 8.80831624825179E-13 7.360150913783062E-14 2.350056190342646E-13 1.240746974542739E-14
q -5.458370987872921E-15 8.638942504038429E-15 -1.339377927048641E-12 -1.157677259854041E-13 -3.615886320571854E-13 -1.968577809689902E-14
tp 8.80831624825179E-13 -1.339377927048641E-12 5.910493938150804E-10 -4.114301317157488E-13 1.658755739592273E-10 5.539803508906511E-12
node 7.360150913783062E-14 -1.157677259854041E-13 -4.114301317157488E-13 1.015315310477648E-9 -1.002746294908165E-9 -3.136350212937725E-11
peri 2.350056190342646E-13 -3.615886320571854E-13 1.658755739592273E-10 -1.002746294908165E-9 1.050017367345287E-9 3.279018418891305E-11
i 1.240746974542739E-14 -1.968577809689902E-14 5.539803508906511E-12 -3.136350212937725E-11 3.279018418891305E-11 1.728046467978985E-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 16.4   n/a MPO302094  
rotation period rot_per 56.3 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]

5011 Ptah (6743 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 6743 P-L = 1983 TF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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