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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150249895799191 1.4763e-08  
a 2.26147491669624 6.2947e-09 au
q 2.001348787968007 3.2872e-08 au
i 7.025148238301559 1.1736e-06 deg
node 5.365509546637884 4.7994e-06 deg
peri 254.7555326417246 1.2021e-05 deg
M 189.0658724924041 1.0277e-05 deg
tp 2459790.310321522731
(2022-Jul-29.81032152)
3.587e-05 TDB
period 1242.184453416113
3.40
5.1864e-06
1.42e-08
d
yr
n .289812031546498 1.21e-09 deg/d
Q 2.521601045424473 7.0188e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2041  
   data-arc span      10970 days (30.03 yr)  
   first obs. used      1991-02-20  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46729  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:57:44  

Additional Information
 Earth MOID = .998731 au 
 Jupiter MOID = 2.54641 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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