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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2599066327727957 2.628e-08  
a 2.244733500204986 5.5196e-09 au
q 1.661312374694416 5.9833e-08 au
i 5.970050520057737 4.0627e-06 deg
node 234.778903025614 3.1646e-05 deg
peri 86.71223135732146 3.3083e-05 deg
M 318.4454764982863 7.886e-06 deg
tp 2459142.295162538651
(2020-Oct-19.79516254)
2.7004e-05 TDB
period 1228.416408428058
3.36
4.5309e-06
1.24e-08
d
yr
n .2930602339158541 1.0809e-09 deg/d
Q 2.828154625715555 6.9542e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1050  
   data-arc span      10913 days (29.88 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:17:12  

Additional Information
 Earth MOID = .662471 au 
 Jupiter MOID = 2.53368 au 
 T_jup = 3.580 
[ show covariance matrix ]

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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