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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022574145684445 3.3522e-08  
a 2.28316113256427 7.3495e-09 au
q 2.049690978105087 7.525e-08 au
i 1.53264405793072 3.48e-06 deg
node 242.3249793651434 0.00013897 deg
peri 333.7534046768281 0.00014008 deg
M 245.4096779073816 1.8732e-05 deg
tp 2459797.596350257588
(2022-Aug-06.09635026)
6.633e-05 TDB
period 1260.094949170524
3.45
6.0844e-06
1.666e-08
d
yr
n .2856927569124655 1.3795e-09 deg/d
Q 2.516631287023454 8.1011e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:44:59  

Additional Information
 Earth MOID = 1.04319 au 
 Jupiter MOID = 2.44975 au 
 T_jup = 3.596 
[ 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 15.93   n/a MPCxxxxx  

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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