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379644 (2011 EY7)
Classification: Main-belt Asteroid          SPK-ID: 2379644
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 .06966059245324938 4.9316e-08  
a 3.1754241717147 4.2661e-08 au
q 2.954222242622686 1.4598e-07 au
i 9.210724875114009 7.1025e-06 deg
node 353.8785378827414 3.9048e-05 deg
peri 231.0050134459295 7.0238e-05 deg
M 181.9482918665308 5.8307e-05 deg
tp 2460022.720744443252
(2023-Mar-19.22074444)
0.00033923 TDB
period 2066.812342646637
5.66
4.1651e-05
1.14e-07
d
yr
n .1741812706319556 3.5101e-09 deg/d
Q 3.396626100806715 4.5633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      8455 days (23.15 yr)  
   first obs. used      1996-09-07  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57208  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:18:46  

Additional Information
 Earth MOID = 1.95726 au 
 Jupiter MOID = 1.62511 au 
 T_jup = 3.177 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457631.5 (2016-Aug-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07159504997288074 4.8955e-08  
q 2.949655406446375 1.4588e-07 au
tp 2457961.898341835614
(2017-Jul-27.39834184)
0.0003243 TDB
node 353.944241714467 3.8955e-05 deg
peri 232.0370598082851 6.9088e-05 deg
i 9.223668758838448 7.112e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      8455 days (23.15 yr)  
   first obs. used      1996-09-07  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57208  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:18:46  

Additional Information
 Jupiter MOID = 1.62511 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.396640364377048E-15 -6.912151850848342E-15 2.27942108586856E-13 -3.192749408374253E-15 -7.201478809034252E-15 4.405876753161666E-17
q -6.912151850848342E-15 2.128068469411917E-14 6.514357225763525E-13 7.435627530849233E-15 2.134574996982129E-13 1.417817557016685E-15
tp 2.27942108586856E-13 6.514357225763525E-13 1.051675022375217E-7 4.793595265609295E-11 1.855754923011432E-8 -3.921477959626898E-11
node -3.192749408374253E-15 7.435627530849233E-15 4.793595265609295E-11 1.517511302075579E-9 -1.488619865227994E-9 -1.047613935649911E-10
peri -7.201478809034252E-15 2.134574996982129E-13 1.855754923011432E-8 -1.488619865227994E-9 4.773173017356534E-9 9.639083947800325E-11
i 4.405876753161666E-17 1.417817557016685E-15 -3.921477959626898E-11 -1.047613935649911E-10 9.639083947800325E-11 5.058006889050808E-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 16.0   n/a MPO503461  

379644 (2011 EY7)          Discovered 1996-Sep-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 EY7 = 1996 RB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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