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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864166327941127 4.2148e-08  
a 3.189260653037138 2.6025e-08 au
q 2.594729420995202 1.3794e-07 au
i 12.16668044499095 5.7246e-06 deg
node 210.8839654554414 2.3813e-05 deg
peri 251.1036819177106 2.9671e-05 deg
M 10.16149224001859 1.5363e-05 deg
tp 2458941.779676671738
(2020-Apr-02.27967667)
8.8711e-05 TDB
period 2080.33583049173
5.70
2.5464e-05
6.972e-08
d
yr
n .1730489831129365 2.1182e-09 deg/d
Q 3.783791885079074 3.0876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      14257 days (39.03 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:18:37  

Additional Information
 Earth MOID = 1.64239 au 
 Jupiter MOID = 1.67322 au 
 T_jup = 3.135 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457034.5 (2015-Jan-12.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1868283953543576 4.2345e-08  
q 2.594448170680237 1.3926e-07 au
tp 2456866.711651233608
(2014-Jul-28.21165123)
8.9594e-05 TDB
node 210.9278522792429 2.3833e-05 deg
peri 251.7552681555049 2.9625e-05 deg
i 12.15952106715172 5.7223e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      14257 days (39.03 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:18:37  

Additional Information
 Jupiter MOID = 1.67322 au 
 T_jup = 3.135 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.79312892677062E-15 -5.828399715475488E-15 3.895768672162761E-13 5.643368285778789E-15 9.636044933959949E-14 -4.18486353251162E-15
q -5.828399715475488E-15 1.939445438662031E-14 -1.667839936056845E-12 -1.706815519653226E-14 -3.774075157770828E-13 1.341255114612779E-14
tp 3.895768672162761E-13 -1.667839936056845E-12 8.027093757404528E-9 -2.892367995527214E-11 1.603963603498358E-9 1.351594722097294E-12
node 5.643368285778789E-15 -1.706815519653226E-14 -2.892367995527214E-11 5.680299038080298E-10 -5.604193742881928E-10 -1.873369416266594E-11
peri 9.636044933959949E-14 -3.774075157770828E-13 1.603963603498358E-9 -5.604193742881928E-10 8.776216438282444E-10 1.855471908528064E-11
i -4.18486353251162E-15 1.341255114612779E-14 1.351594722097294E-12 -1.873369416266594E-11 1.855471908528064E-11 3.274465188975938E-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 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 1.87664635007334 1.87664486369804 1.87664783648714 3.58885514116564 3.4608067206683 2416336.709395986 6.74969251572328 494.012189319991 28.275562218873 88.4006558326027 1570767.76655376 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
1914-Aug-28 20:06 00:06 Jupiter 1.79903757696269 1.79903649384456 1.79903866007785 1.91188290301698 1.64731801143919 2420373.337243676 6.47989540500336 428.013818988216 83.4244022223716 -27.4133243431359 494614.945665895 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
1925-Sep-09 06:16 00:05 Jupiter 1.74680371384196 1.74680277091746 1.74680465681937 1.45647759643955 1.0730936452884 2424402.761053372 5.2382679507596 1380.10834476726 114.723817644495 57.3030979201939 2172803.5734462 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
1936-Oct-31 14:08 00:04 Jupiter 1.7282566398123 1.72825592554898 1.72825735407553 2.39057130304621 2.17591971343882 2428473.088652749 3.61133406373239 206.20953377455 64.3087823008711 -74.3491305051634 797501.553641788 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
1948-Jan-20 07:27 00:03 Jupiter 1.77677614259938 1.77677527666908 1.77677700853432 3.1820846981997 3.02856822783778 2432570.810183361 2.65578155697603 250.272514430781 26.696159341996 87.153851710792 1584862.81971284 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
1959-Apr-10 23:47 00:02 Jupiter 1.91017477169723 1.91017372239874 1.91017582100072 3.85887758575973 3.74220293417509 2436669.490888670 2.05651784333154 205.250515700394 27.2616200960667 79.6250437625914 2117608.0645887 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
2070-Apr-20 09:07 00:02 Jupiter 1.87876941251646 1.87876848887915 1.87877033615676 4.51957070824563 4.41869227200392 2477221.879599873 1.7889427459455 170.209277117369 28.4963958123539 80.2432997969938 2288700.68267901 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
2081-May-31 23:52 00:02 Jupiter 1.76524498104406 1.76524418546769 1.76524577662193 3.18122922233872 3.02664065943902 2481281.494267576 2.37244004253372 199.559420993668 29.3913165555728 -88.2852253653634 1357310.27275932 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
2092-Jul-06 12:59 00:03 Jupiter 1.72843678324409 1.72843600898526 1.72843755750194 1.72220466233521 1.40921485357364 2485335.040637760 3.33731454529785 369.466605598522 118.773268712588 -12.4954781634518 458931.918086166 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
2103-Aug-01 19:14 00:04 Jupiter 1.73509666231054 1.73509585715584 1.73509746748604 1.27868530584682 0.811600687212133 2489377.301627723 4.25804203201308 1761.89925668241 128.798141063292 42.6274430277483 3550254.30385555 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
2114-Sep-18 13:59 00:05 Jupiter 1.77431259499704 1.77431155358081 1.77431363641306 2.33470586727117 2.12039858723329 2493443.082876275 4.68637794525613 205.486015209591 66.9611140985259 -71.3759508610561 594959.77456229 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18
2125-Nov-23 14:30 00:05 Jupiter 1.87116544893367 1.87116351551301 1.87116738238357 3.32655478118682 3.18757345310008 2497527.104300890 5.23927103545297 421.839838450027 28.7059914365527 82.4128025304927 1541161.09172752 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:18:38 2020-Nov-12 23:18

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