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19815 Marshasega (2000 ST127)
Classification: Main-belt Asteroid          SPK-ID: 2019815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08426989832094402 3.5118e-08  
a 2.796252515877147 1.3132e-08 au
q 2.560612600684496 9.6214e-08 au
i 3.02798407576914 3.4922e-06 deg
node 92.33198939320251 7.3044e-05 deg
peri 218.66635564 7.8037e-05 deg
M 219.8377733946853 2.996e-05 deg
tp 2460061.453836302297
(2023-Apr-26.95383630)
0.00014367 TDB
period 1707.902242042081
4.68
1.2031e-05
3.294e-08
d
yr
n .2107848980686156 1.4848e-09 deg/d
Q 3.031892431069798 1.4238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1419  
   data-arc span      10776 days (29.50 yr)  
   first obs. used      1991-12-08  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:16:55  

Additional Information
 Earth MOID = 1.54643 au 
 Jupiter MOID = 2.16193 au 
 T_jup = 3.320 
[ 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 14.70   n/a MPCxxxxx  

19815 Marshasega           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Marsha Sega mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the St. Mary's School, Oak Ridge, Tennessee.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

Alternate Designations
 2000 ST127 = 1998 FN38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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