Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
35036 (1981 EC30)
Classification: Main-belt Asteroid          SPK-ID: 2035036
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01741928688460456 7.1329e-08  
a 3.069692937349382 2.6972e-08 au
q 3.016221075426048 2.1956e-07 au
i 18.54051542220103 8.4562e-06 deg
node 325.3964249360089 1.5664e-05 deg
peri 228.9929273037549 0.0002046 deg
M 95.1550141594103 0.00020491 deg
tp 2458481.257769536264
(2018-Dec-28.75776954)
0.0011188 TDB
period 1964.449321123439
5.38
2.5891e-05
7.089e-08
d
yr
n .1832574636204518 2.4153e-09 deg/d
Q 3.123164799272716 2.7442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      14379 days (39.37 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:27:16  

Additional Information
 Earth MOID = 2.03912 au 
 Jupiter MOID = 1.91367 au 
 T_jup = 3.151 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456545.5 (2013-Sep-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01510658815339351 7.5329e-08  
q 3.018998212712241 2.3035e-07 au
tp 2456477.957925644536
(2013-Jul-04.45792564)
0.0011747 TDB
node 325.5316245118638 1.569e-05 deg
peri 221.0900818253114 0.00021498 deg
i 18.52613048075417 8.4534e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      14379 days (39.37 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:27:16  

Additional Information
 Jupiter MOID = 1.91367 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.674496695662582E-15 -1.724171366823276E-14 -4.573166456230237E-11 -4.862918560003708E-15 -8.234165005227396E-12 5.181649929161862E-15
q -1.724171366823276E-14 5.305989303583652E-14 1.3650478560846E-10 1.199160754513028E-14 2.457213414267674E-11 -9.02466666746842E-15
tp -4.573166456230237E-11 1.3650478560846E-10 1.379861164491315E-6 1.257185151039806E-10 2.518673521080197E-7 3.259881353694917E-11
node -4.862918560003708E-15 1.199160754513028E-14 1.257185151039806E-10 2.461688594868913E-10 -2.102133265059336E-10 1.259066713796666E-11
peri -8.234165005227396E-12 2.457213414267674E-11 2.518673521080197E-7 -2.102133265059336E-10 4.621602086555085E-8 -5.411720578746901E-12
i 5.181649929161862E-15 -9.02466666746842E-15 3.259881353694917E-11 1.259066713796666E-11 -5.411720578746901E-12 7.146072156317725E-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 14.3   n/a MPO347777  

35036 (1981 EC30)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20020227/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
1902-Oct-24 01:07 00:04 Jupiter 1.9484387751887 1.94843739336011 1.94844015709039 6.09887673393211 6.0271768082604 2416046.546555941 3.69907464444544 688.294432175746 31.2047739094542 84.9370003218689 2278296.33330367 T 15 CATAB v2.0f-lin.ifort 2020-Jun-23 20:27:34 2020-Jun-23 20:27
2010-Jul-21 03:52 < 00:01 Jupiter 1.96824286307806 1.96824205621493 1.96824366994656 5.61318913718311 5.53599162430432 2455398.661302272 0.316430383954764 535.170135063764 36.0833606126371 88.4730662863425 2327741.24331396 T 15 CATAB v2.0f-lin.ifort 2020-Jun-23 20:27:34 2020-Jun-23 20:27
2069-May-22 12:38 00:02 Jupiter 1.91786754409026 1.91786674925938 1.91786833892615 5.94631121540227 5.87156886302703 2476889.026723455 1.92903401750343 419.86370628869 35.2670869012854 87.84125405123 2286698.22610912 T 15 CATAB v2.0f-lin.ifort 2020-Jun-23 20:27:34 2020-Jun-23 20:27
2128-Mar-30 05:32 00:04 Jupiter 1.94364126387237 1.94363994799149 1.9436425798233 6.10869584678152 6.03693479917393 2498384.730347237 3.8890863370055 677.1717429485 30.3690157666181 85.1672917114872 2252154.34325695 T 15 CATAB v2.0f-lin.ifort 2020-Jun-23 20:27:34 2020-Jun-23 20:27

Alternate Designations
 1981 EC30 = 1999 RE63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-02 08:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin