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21408 Lyrahaas (1998 FZ64)
Classification: Main-belt Asteroid          SPK-ID: 2021408
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149015798321091 1.4758e-08  
a 2.26164990494214 6.31e-09 au
q 2.001782757837149 3.2868e-08 au
i 7.025311701157967 1.1731e-06 deg
node 5.360022566457612 4.7977e-06 deg
peri 254.7729246355477 1.2013e-05 deg
M 245.8429510442722 1.0312e-05 deg
tp 2459790.446029282739
(2022-Jul-29.94602928)
3.5878e-05 TDB
period 1242.328632696055
3.40
5.1991e-06
1.423e-08
d
yr
n .2897783972174427 1.2127e-09 deg/d
Q 2.521517052047131 7.035e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2074  
   data-arc span      11057 days (30.27 yr)  
   first obs. used      1991-02-20  
   last obs. used      2021-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:07:40  

Additional Information
 Earth MOID = 1.00086 au 
 Jupiter MOID = 2.54529 au 
 T_jup = 3.601 
[ 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 14.25   n/a E2021B10  

21408 Lyrahaas           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Lyra Creamer Haas (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for her behavioral and social sciences project. She attends the Illinois Mathematics and Science Academy, Aurora, Illinois.
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

Alternate Designations
 1998 FZ64 = 1999 TN31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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