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33012 Eddieirizarry (1997 EJ55)
Classification: Main-belt Asteroid          SPK-ID: 2033012
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033288547558421 4.8775e-08  
a 3.197357674250859 1.9719e-08 au
q 2.866978367525715 1.5284e-07 au
i 1.584191389078863 5.3741e-06 deg
node 355.73639969508 0.00013822 deg
peri 191.6284269822537 0.00013965 deg
M 22.08264965457846 1.8164e-05 deg
tp 2458872.404480061314
(2020-Jan-23.90448006)
0.00010567 TDB
period 2088.263315284083
5.72
1.9318e-05
5.289e-08
d
yr
n .1723920529394668 1.5948e-09 deg/d
Q 3.527736980976003 2.1756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1043  
   data-arc span      8495 days (23.26 yr)  
   first obs. used      1997-03-08  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:09:23  

Additional Information
 Earth MOID = 1.86809 au 
 Jupiter MOID = 1.43278 au 
 T_jup = 3.186 
[ 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 14.2   n/a MPO302257  
diameter diameter 7.891 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

33012 Eddieirizarry           Discovered 1997 Mar. 9 by E. W. Elst at the European Southern Observatory.
Eddie Irizarry (b. 1969) is an astronomer at the Sociedad de Astronomia del Caribe. At the Arecibo Observatory he has arranged conferences related to asteroids and comets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-04-22Last Updated: 2016-04-25

[ 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-Feb-13 11:47 00:03 Jupiter 1.56912437153732 1.56912310670467 1.56912563637425 1.86497397453871 1.54871437807153 2416158.991130064 2.59814004932157 190.669728723751 33.6377419783409 78.2720920850055 2164378.50126329 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
1913-Dec-18 02:35 00:02 Jupiter 1.89581181722695 1.89581044035693 1.89581319409653 3.01255891210334 2.86040885943288 2420119.607664596 2.3120670127796 52.7372236541195 46.778022360404 -53.4641983714874 1196218.63448274 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2001-Apr-17 14:10 < 00:01 Jupiter 1.86501288600574 1.86501245312065 1.86501331889083 2.93998415231911 2.78121878935939 2452017.090312493 0.422112341975629 45.550604697908 14.0218066322147 -85.6218366435186 3243366.55238965 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2012-Feb-18 05:58 < 00:01 Jupiter 1.55316554624444 1.55316507577494 1.5531660167135 1.73223256213055 1.38200032704248 2455975.748940242 0.25879038431102 72.9833565743766 50.8685754496427 73.3566573257537 1901679.31114677 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2023-Jan-11 07:10 < 00:01 Jupiter 1.41745685486509 1.41745635531961 1.41745735441888 1.34671198290707 0.786449802228677 2459955.798834473 0.446859706120762 466.796763817775 248.440656378851 28.3691932000993 1654090.68552388 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2033-Dec-07 23:34 < 00:01 Jupiter 1.53625478372503 1.53625410032597 1.53625546712566 1.7733688862095 1.42902981696348 2463939.482156203 0.868986409336277 127.754493674254 46.260697932696 72.1242607719415 2303160.91112531 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2044-Oct-12 18:13 00:01 Jupiter 1.85105446924809 1.85105343617359 1.85105550232227 2.89955699647747 2.73719790939472 2467901.259223697 1.24480196034357 51.2377959323577 32.4141986122098 -72.5570669530532 1562961.72226853 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2132-Feb-27 22:05 00:03 Jupiter 1.9305222261972 1.93052002522503 1.93052442716816 3.17313120598211 3.03170835493294 2499814.419868955 3.18691255960965 81.2843578897579 49.061905443282 9.5022869279221 734893.927420856 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2143-Jan-01 13:02 00:03 Jupiter 1.6062062784755 1.60620431512662 1.606208241819 1.89485847199835 1.59242002476491 2503775.042943120 3.4688077131208 70.2219352685538 45.6937253640052 -32.6734638739024 612066.053765188 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2153-Nov-22 16:26 00:04 Jupiter 1.42806490910805 1.42806421199842 1.4280656062202 1.33777144533789 0.77677558919947 2507753.185036622 3.59162424637783 492.410689245258 231.599355466885 22.3045254711349 1473897.92416335 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2164-Oct-22 01:30 00:04 Jupiter 1.49928932981963 1.49928767903427 1.49929098064352 1.64279657819539 1.25255016641523 2511739.562443436 4.10554057080672 513.781526697195 73.4977258743632 69.6296223962895 2166725.53670311 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09
2175-Sep-01 22:54 00:05 Jupiter 1.77806461430742 1.77806155771164 1.77806767090174 2.67211298546824 2.48745677314127 2515706.454040160 4.67808224564753 143.936963379712 27.4427104414637 -54.4099082833838 1216918.36652894 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 20:09:37 2020-Jun-23 20:09

Alternate Designations
 1997 EJ55 = 1999 RQ79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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