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52243 (1981 ED3)
Classification: Main-belt Asteroid          SPK-ID: 2052243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864166331012488 4.2162e-08  
a 3.189260653044133 2.6081e-08 au
q 2.594729420021356 1.3796e-07 au
i 12.16668061028116 5.7471e-06 deg
node 210.8839655012545 2.3849e-05 deg
peri 251.1036819979994 2.9714e-05 deg
M 10.16149212075173 1.5417e-05 deg
tp 2458941.779677360753
(2020-Apr-02.27967736)
8.9015e-05 TDB
period 2080.335830498574
5.70
2.5519e-05
6.987e-08
d
yr
n .1730489831123672 2.1227e-09 deg/d
Q 3.78379188606691 3.0943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      14237 days (38.98 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:24:32  

Additional Information
 Earth MOID = 1.64239 au 
 Jupiter MOID = 1.67322 au 
 T_jup = 3.135 
[ 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 15.0   n/a MPO452880  
diameter diameter 5.129 km 0.531 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52243 (1981 ED3)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ 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
1903-Aug-10 05:02 00:07 Jupiter 1.87664635216352 1.87664486050782 1.87664784385795 3.58885518999393 3.46080677144848 2416336.709399272 6.76638443077066 495.303584424062 28.3019622220559 88.3905120982969 1564499.44512466 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
1914-Aug-28 20:06 00:07 Jupiter 1.79903758152433 1.79903649432599 1.7990386687196 1.91188294997035 1.64731806665813 2420373.337248856 6.49559941577819 429.154295203001 83.7973847978298 -27.4179121135736 492342.433454026 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
1925-Sep-09 06:16 00:05 Jupiter 1.74680371911346 1.74680277238659 1.74680466589375 1.4564775122406 1.07309353237136 2424402.761067199 5.25032199596782 1383.04155119623 115.011836436288 57.3079216850304 2170669.19121162 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
1936-Oct-31 14:08 00:04 Jupiter 1.7282566439403 1.72825592723777 1.72825736064272 2.39057131175595 2.17591972354576 2428473.088653619 3.61904677468284 206.70609191832 64.3400309339512 -74.3126242462008 796309.12913117 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
1948-Jan-20 07:27 00:03 Jupiter 1.77677614523247 1.77677527683651 1.77677701363308 3.18208476758673 3.02856830097528 2432570.810179033 2.66121504405474 250.950208569502 26.7575797747042 87.1573750509886 1580150.36182969 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
1959-Apr-10 23:47 00:02 Jupiter 1.91017477319257 1.91017372049799 1.91017582589215 3.85887768441185 3.74220303599575 2436669.490881156 2.06071315210124 205.808670864712 27.3330736932087 79.6166117726889 2109694.84394495 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
2070-Apr-20 09:07 00:02 Jupiter 1.87876941314569 1.87876848918212 1.87877033711225 4.51957075320977 4.41869231802877 2477221.879601804 1.79419185656888 170.62628836305 28.5195611242016 80.2699421454789 2283849.75924108 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
2081-May-31 23:52 00:02 Jupiter 1.76524498383411 1.7652441880421 1.76524577962752 3.18122920136762 3.02664063764736 2481281.494265396 2.37955469948041 200.022367567313 29.4248241745184 -88.2630730105214 1351882.29426428 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
2092-Jul-06 12:59 00:03 Jupiter 1.72843678834707 1.72843601243861 1.72843756425454 1.72220470265952 1.40921490388074 2485335.040641186 3.34744279894017 370.35333875508 119.252288269763 -12.4617829070178 457314.337261631 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
2103-Aug-01 19:14 00:04 Jupiter 1.73509666806488 1.7350958599087 1.73509747624196 1.27868532241893 0.811600715316467 2489377.301623853 4.27081953115249 1767.14313747757 129.181806844561 42.6217961687497 3547208.27295213 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
2114-Sep-18 13:59 00:05 Jupiter 1.77431259963299 1.77431155508754 1.77431364417813 2.33470572762874 2.12039843406553 2493443.082888009 4.70023879519557 205.981369534326 67.0091037424278 -71.331603484655 593700.456235971 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24
2125-Nov-23 14:30 00:05 Jupiter 1.87116545236428 1.87116351485076 1.87116738990727 3.32655491924831 3.18757359744155 2497527.104289082 5.25428716743 422.926085202972 28.789041254775 82.4212453366696 1536148.65560844 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 10:24:46 2020-Feb-23 10:24

Alternate Designations
 1981 ED3 = 1995 SG28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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