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JPL Small-Body Database Browser
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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01741928760610212 7.5943e-08  
a 3.069692943884343 2.7761e-08 au
q 3.016221079632399 2.3564e-07 au
i 18.54051335859815 8.7848e-06 deg
node 325.3964189937362 1.5788e-05 deg
peri 228.9929429939334 0.0002147 deg
M 95.1550023070762 0.00021576 deg
tp 2458481.257832554030
(2018-Dec-28.75783255)
0.0011777 TDB
period 1964.449327396509
5.38
2.6649e-05
7.296e-08
d
yr
n .1832574630352564 2.486e-09 deg/d
Q 3.123164808136286 2.8245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      13974 days (38.26 yr)  
   first obs. used      1981-02-02  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55618  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:53:15  

Additional Information
 Earth MOID = 2.03912 au 
 Jupiter MOID = 1.91367 au 
 T_jup = 3.151 
[ 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 14.3   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 1.9484388696766 1.94843738307417 1.94844035636055 6.09887636965383 6.02717644314633 2416046.546341964 3.81615633077483 722.559984210961 32.9640910237166 84.7910623821719 2161617.3167768 T 14 CATAB v2.0e-lin.ifort 2019-May-30 03:53:19 2019-May-30 03:53
2010-Jul-21 03:52 < 00:01 Jupiter 1.96824287718444 1.96824202932831 1.96824372504706 5.61318851543016 5.53599099443837 2455398.661307232 0.32329168040888 560.651853723053 37.6293296292345 88.4026170777312 2204057.521881 T 14 CATAB v2.0e-lin.ifort 2019-May-30 03:53:19 2019-May-30 03:53
2069-May-22 12:39 00:02 Jupiter 1.91786757040159 1.91786671733779 1.9178684234703 5.94631055466848 5.87156819491432 2476889.026830756 2.01488122168082 431.053254170878 38.1624961036059 87.8140229817999 2209264.49746482 T 14 CATAB v2.0e-lin.ifort 2019-May-30 03:53:19 2019-May-30 03:53
2128-Mar-30 05:32 00:04 Jupiter 1.94364118423569 1.94363985666022 1.94364251188265 6.10869533573993 6.03693427909985 2498384.730549393 4.04678571377973 693.355351332872 31.871223860672 85.2934007174492 2173332.23604354 T 14 CATAB v2.0e-lin.ifort 2019-May-30 03:53:19 2019-May-30 03:53

Alternate Designations
 1981 EC30 = 1999 RE63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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