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JPL Small-Body Database Browser
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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 146 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5000774535746889 5.9205e-08  
a 1.636361895079404 8.6946e-09 au
q .8180542054614435 9.3923e-08 au
i 7.405387504347107 4.6397e-06 deg
node 10.72728291332828 3.2043e-05 deg
peri 105.8139257564131 3.2614e-05 deg
M 140.140473963068 2.1484e-05 deg
tp 2458702.868738720478
(2019-Aug-07.36873872)
4.3344e-05 TDB
period 764.5703702191346
2.09
6.0937e-06
1.668e-08
d
yr
n .4708526697115138 3.7527e-09 deg/d
Q 2.454669584697365 1.3043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      21109 days (57.79 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51266  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-12 07:03:54  

Additional Information
 Earth MOID = .0248728 au 
 Jupiter MOID = 2.69286 au 
 T_jup = 4.143 
[ show covariance matrix ]

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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