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101314 (1998 SD142)
Classification: Main-belt Asteroid          SPK-ID: 2101314
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09378567830946173 5.0347e-08  
a 2.354574989356824 1.3423e-08 au
q 2.133749576849501 1.185e-07 au
i 6.208386563099942 4.9419e-06 deg
node 65.92532707620575 4.946e-05 deg
peri 320.1004081317804 5.537e-05 deg
M 350.5023241465231 2.5554e-05 deg
tp 2459035.316255389742
(2020-Jul-04.81625539)
9.3758e-05 TDB
period 1319.675690523685
3.61
1.1285e-05
3.09e-08
d
yr
n .2727942952841253 2.3327e-09 deg/d
Q 2.575400401864148 1.4682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      10071 days (27.57 yr)  
   first obs. used      1993-03-28  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:15  

Additional Information
 Earth MOID = 1.1428 au 
 Jupiter MOID = 2.81091 au 
 T_jup = 3.541 
[ 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 MPO280447  

101314 (1998 SD142)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SD142 = 2004 HN12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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