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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0892670597297868 2.9168e-08  
a 2.166309945405073 5.8768e-09 au
q 1.972929826115368 6.1746e-08 au
i .8572342434342187 3.804e-06 deg
node 125.4803732596321 0.00020303 deg
peri 102.9177667759011 0.00020419 deg
M 144.3050312766069 2.149e-05 deg
tp 2458929.670502780598
(2020-Mar-21.17050278)
6.9386e-05 TDB
period 1164.606788219646
3.19
4.7391e-06
1.297e-08
d
yr
n .3091172090369987 1.2579e-09 deg/d
Q 2.359690064694779 6.4014e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1851  
   data-arc span      21988 days (60.20 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:50:59  

Additional Information
 Earth MOID = .96336 au 
 Jupiter MOID = 2.6144 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 14.80   n/a E2021B10  
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

[ show close-approach data ]
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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