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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 151 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5000774557237805 5.8602e-08  
a 1.636361894102972 8.4798e-09 au
q .8180542014566113 9.2894e-08 au
i 7.405384898813766 4.0464e-06 deg
node 10.72728509485382 3.1863e-05 deg
peri 105.8139192770298 3.2383e-05 deg
M 140.140480760133 2.1084e-05 deg
tp 2458702.868724551226
(2019-Aug-07.36872455)
4.2553e-05 TDB
period 764.5703695347951
2.09
5.9431e-06
1.627e-08
d
yr
n .4708526701329571 3.66e-09 deg/d
Q 2.454669586749333 1.272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      21850 days (59.82 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-22 06:34:43  

Additional Information
 Earth MOID = .0248728 au 
 Jupiter MOID = 2.69286 au 
 T_jup = 4.143 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456805.5 (2014-May-28.0) TDB
Reference: JPL 151 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5000201090091677 5.874e-08  
q .8178595334169676 9.2891e-08 au
tp 2457174.812171627272
(2015-Jun-01.31217163)
3.0249e-05 TDB
node 10.7902821213521 3.1858e-05 deg
peri 105.7307824865564 3.2394e-05 deg
i 7.406841295182248 4.0461e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      21850 days (59.82 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-22 06:34:43  

Additional Information
 Jupiter MOID = 2.69286 au 
 T_jup = 4.143 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.450405190324977E-15 -5.452990770593499E-15 1.150857906459972E-12 7.362576301348933E-14 2.339832969550175E-13 1.211557915020315E-14
q -5.452990770593499E-15 8.628786224950297E-15 -1.75143054465426E-12 -1.157841267935769E-13 -3.597043524699606E-13 -1.921387609935289E-14
tp 1.150857906459972E-12 -1.75143054465426E-12 9.150107133617035E-10 6.304957019734443E-12 1.986061972762674E-10 6.201904529310228E-12
node 7.362576301348933E-14 -1.157841267935769E-13 6.304957019734443E-12 1.014960986007269E-9 -1.002398824675568E-9 -3.086764899957218E-11
peri 2.339832969550175E-13 -3.597043524699606E-13 1.986061972762674E-10 -1.002398824675568E-9 1.04935801441215E-9 3.222308042996035E-11
i 1.211557915020315E-14 -1.921387609935289E-14 6.201904529310228E-12 -3.086764899957218E-11 3.222308042996035E-11 1.637082600079427E-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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