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19114 (1981 EP37)
Classification: Main-belt Asteroid          SPK-ID: 2019114
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132896778585335 4.2181e-08  
a 2.601654920899439 1.6933e-08 au
q 2.255903362921219 1.1336e-07 au
i 2.630054533707169 4.1602e-06 deg
node 262.9121927874952 0.00011118 deg
peri 131.3904565977051 0.00011312 deg
M 259.9594295940485 2.4712e-05 deg
tp 2459426.438231481039
(2021-Jul-30.93823148)
0.00010813 TDB
period 1532.755788086269
4.20
1.4964e-05
4.097e-08
d
yr
n .2348710752216308 2.293e-09 deg/d
Q 2.947406478877659 1.9183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      14407 days (39.44 yr)  
   first obs. used      1979-11-22  
   last obs. used      2019-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57074  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:42:09  

Additional Information
 Earth MOID = 1.26348 au 
 Jupiter MOID = 2.46956 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456935.5 (2014-Oct-05.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344933546531182 4.2039e-08  
q 2.24929705208987 1.1282e-07 au
tp 2456367.326463408802
(2013-Mar-15.82646341)
8.8887e-05 TDB
node 262.9383678136427 0.00011119 deg
peri 131.9574223372919 0.00011309 deg
i 2.630872242472434 4.1622e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      14407 days (39.44 yr)  
   first obs. used      1979-11-22  
   last obs. used      2019-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57074  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:42:09  

Additional Information
 Jupiter MOID = 2.46956 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.767284466192031E-15 -4.70502332093189E-15 -9.708308986188339E-13 2.091240467316494E-14 -2.552427258472266E-13 1.147094510088935E-16
q -4.70502332093189E-15 1.2727798941292E-14 3.168564076391539E-12 -5.922910402485813E-14 8.273919038610363E-13 -8.238589671396478E-17
tp -9.708308986188339E-13 3.168564076391539E-12 7.900899576985286E-9 -2.626262550303943E-11 1.867067798227714E-9 9.193270329830874E-13
node 2.091240467316494E-14 -5.922910402485813E-14 -2.626262550303943E-11 1.236303701480137E-8 -1.235620410021844E-8 -2.220789982336532E-11
peri -2.552427258472266E-13 8.273919038610363E-13 1.867067798227714E-9 -1.235620410021844E-8 1.278955898039273E-8 2.241434266111517E-11
i 1.147094510088935E-16 -8.238589671396478E-17 9.193270329830874E-13 -2.220789982336532E-11 2.241434266111517E-11 1.732355490615573E-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 15.1   n/a MPO250402  

19114 (1981 EP37)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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