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13041 (1990 OS4)
Classification: Main-belt Asteroid          SPK-ID: 2013041
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05337845427078056 5.139e-08  
a 2.558395884199654 1.359e-08 au
q 2.42183266648835 1.3135e-07 au
i 14.08351114830509 4.3077e-06 deg
node 269.1660739497719 2.1602e-05 deg
peri 235.8667167352079 4.9629e-05 deg
M 265.5390914519805 4.7507e-05 deg
tp 2459392.692844815682
(2021-Jun-27.19284482)
0.00019863 TDB
period 1494.686281382436
4.09
1.1909e-05
3.261e-08
d
yr
n .2408532174838963 1.9191e-09 deg/d
Q 2.694959101910958 1.4315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1682  
   data-arc span      14650 days (40.11 yr)  
   first obs. used      1979-12-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:31:45  

Additional Information
 Earth MOID = 1.46167 au 
 Jupiter MOID = 2.47035 au 
 T_jup = 3.392 
[ 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 13.1   n/a MPO347628  

13041 (1990 OS4)          Discovered 1990-Jul-25 by Holt, H. E. at Palomar
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OS4 = 1979 YM3 = 1989 EN11 = 1998 MT28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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