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21405 Sagarmehta (1998 FU61)
Classification: Main-belt Asteroid          SPK-ID: 2021405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023980398422304 3.3522e-08  
a 2.282794994827088 7.3525e-09 au
q 2.04904126199514 7.5231e-08 au
i 1.532882567782938 3.4804e-06 deg
node 242.3258784746704 0.00013895 deg
peri 333.8093470554202 0.00014006 deg
M 189.349374197191 1.8606e-05 deg
tp 2459797.678520966674
(2022-Aug-06.17852097)
6.6227e-05 TDB
period 1259.791849790357
3.45
6.0864e-06
1.666e-08
d
yr
n .2857614931069034 1.3806e-09 deg/d
Q 2.516548727659036 8.1054e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      8820 days (24.15 yr)  
   first obs. used      1996-11-17  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:52:26  

Additional Information
 Earth MOID = 1.04088 au 
 Jupiter MOID = 2.45096 au 
 T_jup = 3.597 
[ 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 15.9   n/a MPO431747  

21405 Sagarmehta           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sagar Viplov Mehta (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for his materials science project. He attends the Wheatley School, Old Westbury, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1998 FU61 = 1999 TU59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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