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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06281027901903513 3.9477e-08  
a 3.03361914302995 1.9297e-08 au
q 2.843076678218753 1.2123e-07 au
i 10.66559507787787 5.6748e-06 deg
node 6.859920292312027 1.988e-05 deg
peri 231.144575124018 4.8338e-05 deg
M 79.38609504459386 4.4417e-05 deg
tp 2458574.919274908237
(2019-Apr-01.41927491)
0.00023829 TDB
period 1929.923130076771
5.28
1.8414e-05
5.041e-08
d
yr
n .1865359269442403 1.7798e-09 deg/d
Q 3.224161607841148 2.0509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2851  
   data-arc span      17026 days (46.61 yr)  
   first obs. used      1973-10-29  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:11:00  

Additional Information
 Earth MOID = 1.84706 au 
 Jupiter MOID = 1.79576 au 
 T_jup = 3.213 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456580.5 (2013-Oct-15.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06061167278899777 3.9148e-08  
q 2.850068425275512 1.1956e-07 au
tp 2456653.770481797524
(2013-Dec-27.27048180)
0.00025113 TDB
node 7.044463052112377 1.9858e-05 deg
peri 232.8754261437948 5.008e-05 deg
i 10.67179784844756 5.6769e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2851  
   data-arc span      17026 days (46.61 yr)  
   first obs. used      1973-10-29  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:11:00  

Additional Information
 Jupiter MOID = 1.79576 au 
 T_jup = 3.213 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.532578097281166E-15 -4.627938027429789E-15 -3.864980568176683E-12 -2.750076116300164E-15 -7.173053946734719E-13 -2.140685558816577E-16
q -4.627938027429789E-15 1.429475117009242E-14 1.093237423437443E-11 6.71486907965267E-15 2.028362124133114E-12 1.227634268526088E-15
tp -3.864980568176683E-12 1.093237423437443E-11 6.306516004483116E-8 2.801435715311047E-11 1.155680927385585E-8 -7.947355417491814E-13
node -2.750076116300164E-15 6.71486907965267E-15 2.801435715311047E-11 3.943271024688393E-10 -3.820081267272899E-10 -2.025092668208068E-12
peri -7.173053946734719E-13 2.028362124133114E-12 1.155680927385585E-8 -3.820081267272899E-10 2.507988091761494E-9 1.850344753841673E-12
i -2.140685558816577E-16 1.227634268526088E-15 -7.947355417491814E-13 -2.025092668208068E-12 1.850344753841673E-12 3.222667065668013E-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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-Mar-18 21:10 00:03 Jupiter 1.84040830201246 1.84040734976748 1.84040925425796 3.47537535522844 3.34032355737317 2416923.381742838 3.11515542431727 86.1741629708987 37.5747664893927 -61.4444521262881 2378543.17416433 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11
1952-Dec-13 18:47 00:02 Jupiter 1.88066478567817 1.88066401754222 1.88066555381466 3.26961466958174 3.12883537841955 2434360.282889073 1.80069650614875 74.5219149823719 22.0968205355906 -61.8580740985696 2596835.04985029 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11
2000-Sep-13 23:20 < 00:01 Jupiter 1.93042561654269 1.9304251090234 1.93042612406221 3.07488008955846 2.92870919496611 2451801.472149503 0.435656704899121 51.4860630489555 10.8887804516329 -68.7494748336828 2892779.46506756 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11
2010-Feb-08 16:44 < 00:01 Jupiter 1.97021556962498 1.97021512232632 1.97021601692375 4.29001389129825 4.18860262370619 2455236.197385607 0.206441391268048 67.8955801550517 18.3057629025129 83.0179534848644 3236588.56311974 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11
2048-Jun-18 20:02 00:01 Jupiter 1.98640748851015 1.98640690244783 1.98640807457269 2.94310297418842 2.79446535643523 2469246.334784716 1.09393063869421 53.2251550969812 11.717205286995 -61.8453913342071 3357499.18344487 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11
2057-Nov-01 10:50 00:01 Jupiter 1.91468627997772 1.91468552170636 1.91468703824909 4.24751305868384 4.14205304457131 2472668.951718355 1.22252544270344 87.4917960226136 35.3017613641975 -88.4525852552252 2806860.8446502 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11
2105-Jul-24 21:41 00:03 Jupiter 1.86828659510269 1.86828560096495 1.86828758924255 4.16955860327685 4.05936961925214 2490100.403801749 2.50637620220197 162.583123807822 35.0269284903257 -79.2355228456107 2810575.85521697 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11
2153-Apr-14 02:55 00:04 Jupiter 1.83253132900932 1.832530382913 1.83253227511857 4.04862187607077 3.9327992746728 2507530.621268966 3.79924586974916 307.747439688436 25.4250739206615 -83.9472615663153 2845770.97112343 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11
2201-Jan-01 01:59 00:05 Jupiter 1.81487642096382 1.81487575169865 1.81487709024623 3.89714786093947 3.77549198799546 2524958.582668571 5.10882347580142 410.430545416492 21.6734742930373 -88.1678874490864 2730396.07114785 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 16:11:11 2020-Jun-23 16:11

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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