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101249 (1998 SQ89)
Classification: Main-belt Asteroid          SPK-ID: 2101249
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 .1638569630282668 3.1455e-08  
a 2.597448778707635 1.024e-08 au
q 2.171838710207121 8.0979e-08 au
i 4.496511097716545 6.0703e-06 deg
node 359.9112871789198 5.796e-05 deg
peri 301.545254976548 6.1955e-05 deg
M 108.0448036148694 2.11e-05 deg
tp 2458541.597632032228
(2019-Feb-27.09763203)
8.8944e-05 TDB
period 1529.040240169978
4.19
9.0422e-06
2.476e-08
d
yr
n .2354418088826623 1.3923e-09 deg/d
Q 3.023058847208149 1.1918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      10619 days (29.07 yr)  
   first obs. used      1990-11-24  
   last obs. used      2019-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:38  

Additional Information
 Earth MOID = 1.16066 au 
 Jupiter MOID = 2.21805 au 
 T_jup = 3.393 
[ 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 16.1   n/a MPO432540  

101249 (1998 SQ89)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SQ89 = 2002 PB128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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