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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01938088006955783 5.8011e-08  
a 3.064123565228013 2.3775e-08 au
q 3.004738153892023 1.6969e-07 au
i 18.56198081677907 7.7689e-06 deg
node 325.3797805214897 1.3293e-05 deg
peri 226.3663553481711 0.00017573 deg
M 170.3660957798674 0.00017475 deg
tp 2458469.374536050366
(2018-Dec-16.87453605)
0.00095285 TDB
period 1959.105569063056
5.36
2.2802e-05
6.243e-08
d
yr
n .183757325631089 2.1387e-09 deg/d
Q 3.123508976564003 2.4236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      14520 days (39.75 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54827  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 20:18:23  

Additional Information
 Earth MOID = 2.02793 au 
 Jupiter MOID = 1.91209 au 
 T_jup = 3.153 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457194.5 (2015-Jun-21.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01551794967404869 5.9504e-08  
q 3.019395355145742 1.7331e-07 au
tp 2456486.283081764548
(2013-Jul-12.78308176)
0.0011509 TDB
node 325.5198138192124 1.3334e-05 deg
peri 222.6558401466941 0.00021075 deg
i 18.5261968545247 7.7579e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      14520 days (39.75 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54827  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 20:18:23  

Additional Information
 Jupiter MOID = 1.91209 au 
 T_jup = 3.153 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.540723185845994E-15 -1.023536050028754E-14 -3.779034501360221E-11 -1.959279702918445E-15 -6.893482578906359E-12 1.027993083656683E-14
q -1.023536050028754E-14 3.003596452119844E-14 1.104472821026465E-10 2.116410642680285E-15 2.017659063885737E-11 -2.518113474476869E-14
tp -3.779034501360221E-11 1.104472821026465E-10 1.324545148185791E-6 -2.123340282741641E-11 2.42076720208025E-7 -8.368664425530714E-11
node -1.959279702918445E-15 2.116410642680285E-15 -2.123340282741641E-11 1.77788279076946E-10 -1.724903715569255E-10 -1.356304782146972E-11
peri -6.893482578906359E-12 2.017659063885737E-11 2.42076720208025E-7 -1.724903715569255E-10 4.441764454468776E-8 -1.840442034404055E-12
i 1.027993083656683E-14 -2.518113474476869E-14 -8.368664425530714E-11 -1.356304782146972E-11 -1.840442034404055E-12 6.01854964177841E-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 14.28   n/a E2021B10  

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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