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101186 (1998 SD13)
Classification: Main-belt Asteroid          SPK-ID: 2101186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109562703253908 4.1641e-08  
a 2.362937866062905 9.9621e-09 au
q 2.100755093433927 9.8311e-08 au
i 7.104939828085352 3.8522e-06 deg
node 146.2819882260548 4.2279e-05 deg
peri 125.95710328 4.7899e-05 deg
M 130.3178470327925 2.2717e-05 deg
tp 2458720.237944374826
(2019-Aug-24.73794437)
8.3166e-05 TDB
period 1326.712679511629
3.63
8.3901e-06
2.297e-08
d
yr
n .2713473727653815 1.716e-09 deg/d
Q 2.625120638691882 1.1068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1998-09-23  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:36  

Additional Information
 Earth MOID = 1.09185 au 
 Jupiter MOID = 2.48103 au 
 T_jup = 3.531 
[ 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 16.3   n/a MPO337990  

101186 (1998 SD13)          Discovered 1998-Sep-23 by Pravec, P. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 SD13 = 2004 DF33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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