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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06271382655014762 3.9567e-08  
a 3.036065800430039 1.8994e-08 au
q 2.845662496427035 1.2157e-07 au
i 10.66442239636431 5.7243e-06 deg
node 6.9944251920211 1.9936e-05 deg
peri 232.2942228449287 4.8879e-05 deg
M 3.65235804912544 4.5105e-05 deg
tp 2458580.896390557957
(2019-Apr-07.39639056)
0.00024211 TDB
period 1932.258366844792
5.29
1.8132e-05
4.964e-08
d
yr
n .1863104883783468 1.7483e-09 deg/d
Q 3.226469104433044 2.0185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1952  
   data-arc span      16761 days (45.89 yr)  
   first obs. used      1973-10-29  
   last obs. used      2019-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45826  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:37:34  

Additional Information
 Earth MOID = 1.84989 au 
 Jupiter MOID = 1.79713 au 
 T_jup = 3.212 
[ 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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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 1.84040812204016 1.84040716881064 1.84040907527021 3.47537417385951 3.34032231476697 2416923.381721855 3.13503653248707 86.3475769660205 37.7795256628013 -61.5208639292261 2348205.54836393 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37
1952-Dec-13 18:47 00:02 Jupiter 1.88066461152175 1.88066384262675 1.88066538041728 3.2696136093177 3.12883425711984 2434360.282908514 1.81173831898912 74.6544831697566 22.1738618696744 -61.8741759148056 2567638.68529352 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37
2000-Sep-13 23:20 < 00:01 Jupiter 1.93042545717076 1.93042494781064 1.93042596653098 3.07487920277238 2.9287082515521 2451801.472213111 0.43746528781243 51.6138713216589 10.903393472893 -68.7593739241828 2868311.09828718 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37
2010-Feb-08 16:44 < 00:01 Jupiter 1.9702154456731 1.97021499618869 1.97021589515762 4.29001257116324 4.18860126515175 2455236.197385089 0.207157728666341 68.094912181041 18.3806783793024 82.9952220517984 3212907.91571006 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37
2048-Jun-18 20:02 00:01 Jupiter 1.98640735106152 1.98640675880262 1.98640794332064 2.94310241053382 2.7944647522414 2469246.334873414 1.10184860929223 53.5252744004362 11.8118529162989 -61.7531683935578 3335042.12498566 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37
2057-Nov-01 10:51 00:01 Jupiter 1.91468613450682 1.91468537496103 1.91468689405261 4.24751161211845 4.1420515530607 2472668.951761681 1.233901113626 87.9695939067084 35.3615837909146 -88.4011671833865 2793992.19340296 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37
2105-Jul-24 21:42 00:03 Jupiter 1.86828643641263 1.86828544052013 1.86828743230746 4.16955705604697 4.05936802053733 2490100.403884560 2.52621739737853 163.922434601867 35.1161799444506 -79.3152068632368 2790674.08817686 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37
2153-Apr-14 02:55 00:04 Jupiter 1.83253116622399 1.83253021907931 1.8325321133817 4.04862022214151 3.93279756159447 2507530.621393428 3.82759018304325 310.14828323551 25.6041325124098 -84.0092590136445 2818469.9485301 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37
2201-Jan-01 01:59 00:05 Jupiter 1.81487626144824 1.81487559164823 1.81487693126529 3.89714607690585 3.77549013561072 2524958.582836879 5.14551842417332 413.307836406013 21.9005798125464 -88.2153136424553 2703475.48426486 T 34 CATAB v2.0f-lin.ifort 2019-Nov-07 02:37:38 2019-Nov-07 02:37

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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