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101317 (1998 SD149)
Classification: Main-belt Asteroid          SPK-ID: 2101317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2072064206776353 1.0235e-07  
a 2.46669201708757 1.9994e-08 au
q 1.955577593312758 2.4293e-07 au
i 3.151585479516448 4.7604e-06 deg
node 86.97067206446758 0.00010743 deg
peri 272.0531071952868 0.00011157 deg
M 265.6001769999251 4.5205e-05 deg
tp 2459571.556034195933
(2021-Dec-23.05603420)
0.00018173 TDB
period 1415.046851416551
3.87
1.7205e-05
4.71e-08
d
yr
n .2544085375262432 3.0932e-09 deg/d
Q 2.977806440862381 2.4137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      10343 days (28.32 yr)  
   first obs. used      1992-01-30  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:14  

Additional Information
 Earth MOID = .953473 au 
 Jupiter MOID = 2.47651 au 
 T_jup = 3.455 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.17   n/a E2021B55  

101317 (1998 SD149)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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