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4568 Menkaure (1983 RY3)
Classification: Main-belt Asteroid          SPK-ID: 2004568
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06281028393699083 3.5188e-08  
a 3.033619140402058 1.6358e-08 au
q 2.843076660836715 1.0304e-07 au
i 10.66559253957162 5.307e-06 deg
node 6.859907488830705 1.7194e-05 deg
peri 231.1445865142117 4.7415e-05 deg
M 79.38609706339282 4.4063e-05 deg
tp 2458574.919264638656
(2019-Apr-01.41926464)
0.00023665 TDB
period 1929.923127569058
5.28
1.561e-05
4.274e-08
d
yr
n .1865359271866222 1.5087e-09 deg/d
Q 3.224161619967401 1.7385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3259  
   data-arc span      17169 days (47.01 yr)  
   first obs. used      1973-10-29  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37028  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:50:33  

Additional Information
 Earth MOID = 1.84706 au 
 Jupiter MOID = 1.79576 au 
 T_jup = 3.213 
[ 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 11.8   n/a MPO452230  
diameter diameter 14.871 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4568 Menkaure (1983 RY3)          Discovered 1983-Sep-02 by Thomas, N. G. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1983 RY3 = 1973 UG6 = 1976 GR4 = 1978 RS2 = 1978 TG3 = 1978 TV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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