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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01741933967366035 5.978e-08  
a 3.069692924763042 2.4899e-08 au
q 3.016220901012763 1.7723e-07 au
i 18.54051060577589 7.899e-06 deg
node 325.3964151696381 1.4385e-05 deg
peri 228.992873022324 0.00020056 deg
M 95.15508341495082 0.00019981 deg
tp 2458481.257394815871
(2018-Dec-28.75739482)
0.0010916 TDB
period 1964.449309041501
5.38
2.3901e-05
6.544e-08
d
yr
n .1832574647475389 2.2296e-09 deg/d
Q 3.123164948513322 2.5332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      14424 days (39.49 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:05:48  

Additional Information
 Earth MOID = 2.03912 au 
 Jupiter MOID = 1.91367 au 
 T_jup = 3.151 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456877.5 (2014-Aug-08.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01539659178754409 6.3472e-08  
q 3.01919717821223 1.8778e-07 au
tp 2456481.981037434508
(2013-Jul-08.48103743)
0.0011527 TDB
node 325.5220255329805 1.4411e-05 deg
peri 221.8549503910431 0.00021122 deg
i 18.52568070970609 7.8952e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      14424 days (39.49 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:05:48  

Additional Information
 Jupiter MOID = 1.91367 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.028721834546564E-15 -1.183089589350008E-14 -3.930441989414431E-11 4.265638608537374E-15 -7.151955399772341E-12 1.150028741394839E-14
q -1.183089589350008E-14 3.526284818101363E-14 1.154472359795611E-10 -1.589804159524955E-14 2.102749131589443E-11 -2.879025460210537E-14
tp -3.930441989414431E-11 1.154472359795611E-10 1.328605780885744E-6 -1.23055521111081E-10 2.429077328534041E-7 -9.916681527166785E-11
node 4.265638608537374E-15 -1.589804159524955E-14 -1.23055521111081E-10 2.076718869877628E-10 -2.19301277502148E-10 -6.030396744641187E-12
peri -7.151955399772341E-12 2.102749131589443E-11 2.429077328534041E-7 -2.19301277502148E-10 4.46138905739588E-8 -1.178246300723691E-11
i 1.150028741394839E-14 -2.879025460210537E-14 -9.916681527166785E-11 -6.030396744641187E-12 -1.178246300723691E-11 6.233421775669122E-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

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