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19399 (1998 EP10)
Classification: Main-belt Asteroid          SPK-ID: 2019399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04634256665257454 4.6806e-08  
a 2.600818384304336 1.2528e-08 au
q 2.480289784978472 1.2046e-07 au
i 7.454379822935335 4.2924e-06 deg
node 121.9026685761512 3.8881e-05 deg
peri 298.3084276246233 6.4812e-05 deg
M 258.9963340769319 5.1432e-05 deg
tp 2459630.331364455549
(2022-Feb-19.83136446)
0.00021919 TDB
period 1532.016583654089
4.19
1.107e-05
3.031e-08
d
yr
n .2349844015012853 1.6979e-09 deg/d
Q 2.721346983630201 1.3109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1027  
   data-arc span      10585 days (28.98 yr)  
   first obs. used      1991-08-02  
   last obs. used      2020-07-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:33  

Additional Information
 Earth MOID = 1.50321 au 
 Jupiter MOID = 2.42345 au 
 T_jup = 3.401 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456948.5 (2014-Oct-18.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04817022346855852 4.6734e-08  
q 2.474319887770263 1.2087e-07 au
tp 2456573.492040698525
(2013-Oct-07.99204070)
0.0002089 TDB
node 121.9340566291296 3.8914e-05 deg
peri 299.4144614839652 6.3196e-05 deg
i 7.452006082796324 4.291e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1027  
   data-arc span      10585 days (28.98 yr)  
   first obs. used      1991-08-02  
   last obs. used      2020-07-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:33  

Additional Information
 Jupiter MOID = 2.42345 au 
 T_jup = 3.401 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.184055478588045E-15 -5.623035800733056E-15 -2.482860918002234E-12 -2.456370161942182E-14 -6.257593804409302E-13 -1.124730565965545E-15
q -5.623035800733056E-15 1.461073480717368E-14 6.453090874773903E-12 6.279867457310981E-14 1.62924252379014E-12 3.019297625568755E-15
tp -2.482860918002234E-12 6.453090874773903E-12 4.36374347156452E-8 4.338939835361331E-11 1.043260079920796E-8 -7.759198762567637E-12
node -2.456370161942182E-14 6.279867457310981E-14 4.338939835361331E-11 1.514310177398448E-9 -1.490132350251643E-9 9.908162096913943E-12
peri -6.257593804409302E-13 1.62924252379014E-12 1.043260079920796E-8 -1.490132350251643E-9 3.993740595041684E-9 -1.16318039636061E-11
i -1.124730565965545E-15 3.019297625568755E-15 -7.759198762567637E-12 9.908162096913943E-12 -1.16318039636061E-11 1.841301947626569E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO384920  
diameter diameter 5.644 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19399 (1998 EP10)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 EP10 = 1991 PJ23 = 1992 WV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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