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58175 (1990 SE15)
Classification: Mars-crossing Asteroid          SPK-ID: 2058175
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2597977886634926 2.6033e-08  
a 2.244534080430213 5.494e-09 au
q 1.661409089754598 5.9298e-08 au
i 5.969448163182545 3.9272e-06 deg
node 234.7665237118011 3.1383e-05 deg
peri 86.68401961594031 3.2795e-05 deg
M 17.08261975460091 7.6754e-06 deg
tp 2459142.217294175865
(2020-Oct-19.71729418)
2.615e-05 TDB
period 1228.252715221718
3.36
4.5097e-06
1.235e-08
d
yr
n .2930992909997472 1.0761e-09 deg/d
Q 2.827659071105828 6.9214e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      11082 days (30.34 yr)  
   first obs. used      1990-09-17  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:28:35  

Additional Information
 Earth MOID = .660657 au 
 Jupiter MOID = 2.53384 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457369.5 (2015-Dec-13.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2594184810238969 2.6065e-08  
q 1.6632250691722 5.935e-08 au
tp 2457913.724583972854
(2017-Jun-09.22458397)
2.5961e-05 TDB
node 234.862593955425 3.1411e-05 deg
peri 86.53031820146219 3.282e-05 deg
i 5.964695873886325 3.9253e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      11082 days (30.34 yr)  
   first obs. used      1990-09-17  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:28:35  

Additional Information
 Jupiter MOID = 2.53384 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.793890813456129E-16 -1.543465841792019E-15 -3.870693716949563E-14 4.244508604442739E-15 -1.204508839232718E-14 -7.09225076585874E-16
q -1.543465841792019E-15 3.522465442252972E-15 8.859596883365951E-14 -1.120419972004873E-14 2.707077684991013E-14 1.632134991553302E-15
tp -3.870693716949563E-14 8.859596883365951E-14 6.739875799249878E-10 -2.552002782848097E-11 2.563364223847732E-10 1.340965523230864E-12
node 4.244508604442739E-15 -1.120419972004873E-14 -2.552002782848097E-11 9.866509923556929E-10 -9.888333893244362E-10 9.999514351085584E-12
peri -1.204508839232718E-14 2.707077684991013E-14 2.563364223847732E-10 -9.888333893244362E-10 1.07714125980145E-9 -9.580417429207965E-12
i -7.09225076585874E-16 1.632134991553302E-15 1.340965523230864E-12 9.999514351085584E-12 -9.580417429207965E-12 1.540818251615526E-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 15.88   n/a E2021B10  

58175 (1990 SE15)          Discovered 1990-Sep-17 by Holt, H. E. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 SE15 = 2000 LJ16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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