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JPL Small-Body Database Browser
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4847 Amenhotep (6787 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2004847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08869959171636134 2.9293e-08  
a 2.16686432297802 6.7972e-09 au
q 1.97466434222512 6.2213e-08 au
i .8568021541133376 4.104e-06 deg
node 125.4739866254503 0.00022119 deg
peri 103.1834697756361 0.00022259 deg
M 21.72218418724766 2.633e-05 deg
tp 2458930.201348131258
(2020-Mar-21.70134813)
8.5105e-05 TDB
period 1165.053866342056
3.19
5.4819e-06
1.501e-08
d
yr
n .3089985883058776 1.4539e-09 deg/d
Q 2.35906430373092 7.4001e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      21760 days (59.58 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:13:11  

Additional Information
 Earth MOID = .964596 au 
 Jupiter MOID = 2.61751 au 
 T_jup = 3.687 
[ 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 14.7   n/a MPO302093  
diameter diameter 3.143 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4847 Amenhotep (6787 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 6787 P-L = 1975 EM5 = 1981 AZ = 1981 CD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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