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392494 (2011 NS)
Classification: Main-belt Asteroid          SPK-ID: 2392494
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955089257368331 9.4531e-08  
a 2.461119695748942 1.8789e-08 au
q 1.979948827923305 2.2416e-07 au
i .3774498361531965 5.0769e-06 deg
node 243.1671248753709 0.001674 deg
peri 67.44826828040173 0.0016742 deg
M 97.05758288183637 2.3476e-05 deg
tp 2458620.289153971682
(2019-May-16.78915397)
8.97e-05 TDB
period 1410.254619021735
3.86
1.615e-05
4.422e-08
d
yr
n .2552730515073403 2.9233e-09 deg/d
Q 2.942290563574579 2.2463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      9883 days (27.06 yr)  
   first obs. used      1992-09-30  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:05:01  

Additional Information
 Earth MOID = .965579 au 
 Jupiter MOID = 2.32633 au 
 T_jup = 3.463 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457548.5 (2016-Jun-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962144536072998 9.4645e-08  
q 1.977777792730209 2.2476e-07 au
tp 2457211.220072653161
(2015-Jul-07.72007265)
8.2689e-05 TDB
node 243.2351646919702 0.0016794 deg
peri 67.57463678031012 0.0016796 deg
i .3764479042949401 5.0759e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      9883 days (27.06 yr)  
   first obs. used      1992-09-30  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:05:01  

Additional Information
 Jupiter MOID = 2.32633 au 
 T_jup = 3.463 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.957684196337433E-15 -2.124033892185858E-14 5.038629207717586E-12 6.864802619270904E-14 1.368164268837208E-12 -2.819505793430666E-15
q -2.124033892185858E-14 5.051536832413597E-14 -1.199693135383784E-11 -1.683197863731377E-13 -3.239306653798226E-12 6.708856399251713E-15
tp 5.038629207717586E-12 -1.199693135383784E-11 6.837507303906904E-9 -5.913546230384668E-11 2.193976051605841E-9 -1.877506526214729E-12
node 6.864802619270904E-14 -1.683197863731377E-13 -5.913546230384668E-11 2.820373747395992E-6 -2.820335951137774E-6 -3.783630002202945E-9
peri 1.368164268837208E-12 -3.239306653798226E-12 2.193976051605841E-9 -2.820335951137774E-6 2.820987766392799E-6 3.782997848125936E-9
i -2.819505793430666E-15 6.708856399251713E-15 -1.877506526214729E-12 -3.783630002202945E-9 3.782997848125936E-9 2.576445454899158E-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 17.2   n/a MPO440693  

392494 (2011 NS)          Discovered 2011-Jun-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 NS = 2014 EU15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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