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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0533784497092618 5.1231e-08  
a 2.558395882717675 1.3546e-08 au
q 2.421832676755647 1.3102e-07 au
i 14.08351105517806 4.2988e-06 deg
node 269.1660746120113 2.1538e-05 deg
peri 235.8667127713311 4.9516e-05 deg
M 265.539095390214 4.7391e-05 deg
tp 2459392.692828123732
(2021-Jun-27.19282812)
0.00019813 TDB
period 1494.686280083715
4.09
1.1871e-05
3.25e-08
d
yr
n .2408532176931717 1.9129e-09 deg/d
Q 2.694959088679703 1.4269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      14830 days (40.60 yr)  
   first obs. used      1979-12-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:39:31  

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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