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JPL Small-Body Database Browser
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(2019 SE2)
Classification: Apollo [NEO]          SPK-ID: 3843925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3476489490652168 0.00057582  
a 1.259588926422459 0.00084176 au
q .8216941598975066 0.00017619 au
i 9.967659410328048 0.016943 deg
node 184.6187452949417 0.0013408 deg
peri 270.1065455862366 0.0097323 deg
M 120.8088290530281 0.10245 deg
tp 2458827.224224229451
(2019-Dec-09.72422423)
0.026755 TDB
period 516.347023362148
1.41
0.5176
0.001417
d
yr
n .6972055298312593 0.00069889 deg/d
Q 1.697483692947412 0.0011344 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      16 days  
   first obs. used      2019-09-20  
   last obs. used      2019-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .55549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-01 08:12:12  

Additional Information
 Earth MOID = .048855 au 
 Jupiter MOID = 3.5214 au 
 T_jup = 5.040 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458753.5 (2019-Sep-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3476353930077644 0.00057607  
q .821746440794127 0.00017659 au
tp 2458827.239851503950
(2019-Dec-09.73985150)
0.0268 TDB
node 184.6560575001873 0.0011583 deg
peri 270.0668861115381 0.0095671 deg
i 9.98381740483689 0.016889 deg
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      16 days  
   first obs. used      2019-09-20  
   last obs. used      2019-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .55549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-01 08:12:12  

Additional Information
 Jupiter MOID = 3.5214 au 
 T_jup = 5.040 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.318580732741855E-7 -1.017221065803238E-7 -1.54383059300444E-5 6.671058271103475E-7 -5.508875057038278E-6 9.729090154869431E-6
q -1.017221065803238E-7 3.118497291324517E-8 4.73207565175845E-6 -2.045182800596916E-7 1.688000142441706E-6 -2.981905198292616E-6
tp -1.54383059300444E-5 4.73207565175845E-6 .0007182137149762536 -3.103399837924043E-5 .0002563001039448081 -.0004526062155881579
node 6.671058271103475E-7 -2.045182800596916E-7 -3.103399837924043E-5 1.341737087609193E-6 -1.107063454943501E-5 1.955541782346289E-5
peri -5.508875057038278E-6 1.688000142441706E-6 .0002563001039448081 -1.107063454943501E-5 9.152990276565307E-5 -.0001615335341991073
i 9.729090154869431E-6 -2.981905198292616E-6 -.0004526062155881579 1.955541782346289E-5 -.0001615335341991073 .0002852501509190643

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.1   .37859 MPO504269 autocmod 2.8

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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