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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456492.5 (2013-Jul-19.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01506477889875172 8.044e-08  
q 3.018991416361762 2.4788e-07 au
tp 2456477.549997350300
(2013-Jul-04.04999735)
0.0012257 TDB
node 325.5325440005959 1.5814e-05 deg
peri 221.0121363805494 0.00022397 deg
i 18.52638432618079 8.7821e-06 deg
  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
 Jupiter MOID = 1.91367 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.470522823259754E-15 -1.982303589445772E-14 -5.455446960963118E-11 -6.987618282481533E-15 -9.808685172844071E-12 7.168227869723431E-15
q -1.982303589445772E-14 6.144255756411965E-14 1.648066716287732E-10 1.872496614630531E-14 2.962206363657806E-11 -1.471626192508737E-14
tp -5.455446960963118E-11 1.648066716287732E-10 1.502351248168575E-6 1.58008820001944E-10 2.738444579118881E-7 4.226064612344322E-11
node -6.987618282481533E-15 1.872496614630531E-14 1.58008820001944E-10 2.500825023092742E-10 -2.080657655226303E-10 1.41343683065008E-11
peri -9.808685172844071E-12 2.962206363657806E-11 2.738444579118881E-7 -2.080657655226303E-10 5.016311784058162E-8 -5.012482199551637E-12
i 7.168227869723431E-15 -1.471626192508737E-14 4.226064612344322E-11 1.41343683065008E-11 -5.012482199551637E-12 7.712502913400355E-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

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