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390593 (2001 SL91)
Classification: Main-belt Asteroid          SPK-ID: 2390593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784921481167182 5.2149e-08  
a 2.331024046802268 1.2781e-08 au
q 1.914954557376806 1.1741e-07 au
i 5.081852609589493 4.8718e-06 deg
node 326.7042597348321 6.1916e-05 deg
peri 50.06862898893816 6.6514e-05 deg
M 76.18403934648296 2.0329e-05 deg
tp 2458725.406675178866
(2019-Aug-29.90667518)
7.3317e-05 TDB
period 1299.925782160303
3.56
1.0691e-05
2.927e-08
d
yr
n .2769388875430472 2.2777e-09 deg/d
Q 2.74709353622773 1.5062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2001-07-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:34:20  

Additional Information
 Earth MOID = .920646 au 
 Jupiter MOID = 2.73775 au 
 T_jup = 3.544 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO455775  

390593 (2001 SL91)          Discovered 2001-Jul-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2001 SL91 = 2012 XZ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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