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35016 (1981 EC7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2035016
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180971485410751 7.0605e-08  
a 3.950917259798404 4.0055e-08 au
q 3.484325197294494 2.8209e-07 au
i 7.840764610637004 6.5951e-06 deg
node 307.2933868671124 4.5786e-05 deg
peri 207.8945530200898 5.2762e-05 deg
M 21.67045307631217 2.3489e-05 deg
tp 2458827.832413058239
(2019-Dec-10.33241306)
0.00018717 TDB
period 2868.437087131365
7.85
4.3621e-05
1.194e-07
d
yr
n .1255038855881008 1.9086e-09 deg/d
Q 4.417509322302314 4.4785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      14322 days (39.21 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:52  

Additional Information
 Earth MOID = 2.49737 au 
 Jupiter MOID = .67948 au 
 T_jup = 3.031 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457622.5 (2016-Aug-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1193248077380549 7.0466e-08  
q 3.483587951602406 2.8201e-07 au
tp 2458825.833115121337
(2019-Dec-08.33311512)
0.00018573 TDB
node 307.3360976107421 4.5793e-05 deg
peri 207.6239044102904 5.2655e-05 deg
i 7.83805816550564 6.5942e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      14322 days (39.21 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:52  

Additional Information
 Jupiter MOID = .67948 au 
 T_jup = 3.031 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.965394666580295E-15 -1.97162473959317E-14 5.538216301653398E-12 2.166175044892666E-14 7.986373576589986E-13 -3.161791041367238E-15
q -1.97162473959317E-14 7.952839068120149E-14 -2.195060323436605E-11 -7.906706495812092E-14 -3.262700784584275E-12 1.463207023103381E-14
tp 5.538216301653398E-12 -2.195060323436605E-11 3.449573069113108E-8 5.52240372661524E-11 4.887857665981817E-9 -1.499071416848903E-13
node 2.166175044892666E-14 -7.906706495812092E-14 5.52240372661524E-11 2.096999919956289E-9 -2.069636254976723E-9 1.606527459532733E-10
peri 7.986373576589986E-13 -3.262700784584275E-12 4.887857665981817E-9 -2.069636254976723E-9 2.772533180086184E-9 -1.593486887792976E-10
i -3.161791041367238E-15 1.463207023103381E-14 -1.499071416848903E-13 1.606527459532733E-10 -1.593486887792976E-10 4.348369428236216E-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 13.5   n/a MPO468166  
diameter diameter 11.774 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

35016 (1981 EC7)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

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