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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2599066322258057 2.6053e-08  
a 2.244733500096009 5.4875e-09 au
q 1.66131237584161 5.9385e-08 au
i 5.970050586206426 3.9833e-06 deg
node 234.7789028916243 3.1444e-05 deg
peri 86.71223135161031 3.2887e-05 deg
M 318.4454767048614 7.7838e-06 deg
tp 2459142.295161823436
(2020-Oct-19.79516182)
2.6647e-05 TDB
period 1228.416408338602
3.36
4.5045e-06
1.233e-08
d
yr
n .2930602339371953 1.0746e-09 deg/d
Q 2.828154624350407 6.9137e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      10934 days (29.94 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:02  

Additional Information
 Earth MOID = .662471 au 
 Jupiter MOID = 2.53368 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457283.5 (2015-Sep-18.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2596423504623435 2.6114e-08  
q 1.662457289550173 5.9486e-08 au
tp 2456684.364507066972
(2014-Jan-26.86450707)
2.6502e-05 TDB
node 234.9034502135773 3.1484e-05 deg
peri 86.45745837936035 3.2917e-05 deg
i 5.964582482887926 3.9812e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      10934 days (29.94 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:02  

Additional Information
 Jupiter MOID = 2.53368 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.819605741669432E-16 -1.549905416246371E-15 -2.534364352433449E-14 4.318994196498656E-15 -1.416388580047404E-14 -8.295547915734358E-16
q -1.549905416246371E-15 3.538621994116869E-15 4.363599066123521E-14 -1.122247446575629E-14 3.281486925241779E-14 1.967746452415768E-15
tp -2.534364352433449E-14 4.363599066123521E-14 7.023729444671895E-10 -2.462324474252393E-11 2.611029649485404E-10 1.413946039581608E-12
node 4.318994196498656E-15 -1.122247446575629E-14 -2.462324474252393E-11 9.912550510437202E-10 -9.936658812405037E-10 1.137500809090285E-11
peri -1.416388580047404E-14 3.281486925241779E-14 2.611029649485404E-10 -9.936658812405037E-10 1.083512009231627E-9 -1.09142646861966E-11
i -8.295547915734358E-16 1.967746452415768E-15 1.413946039581608E-12 1.137500809090285E-11 -1.09142646861966E-11 1.584991454618185E-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 15.8   n/a MPO351246  

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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