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20290 Seanraj (1998 FJ65)
Classification: Main-belt Asteroid          SPK-ID: 2020290
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150032619390164 4.0366e-08  
a 2.249649089082532 7.8712e-09 au
q 1.912128343538783 9.0984e-08 au
i 4.108690342542344 4.6718e-06 deg
node 346.4045362024548 5.2433e-05 deg
peri 194.0226604229949 5.3907e-05 deg
M 96.67575585011538 1.2915e-05 deg
tp 2458269.532253845675
(2018-May-31.03225385)
4.3715e-05 TDB
period 1232.453654671011
3.37
6.4683e-06
1.771e-08
d
yr
n .292100233250635 1.533e-09 deg/d
Q 2.58716983462628 9.0522e-09 au
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      8428 days (23.07 yr)  
   first obs. used      1996-10-04  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:22:45  

Additional Information
 Earth MOID = .916117 au 
 Jupiter MOID = 2.37764 au 
 T_jup = 3.610 
[ 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 15.8   n/a MPO492966  

20290 Seanraj           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sean Dilip Raj (b. 1985) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for his medicine and health project. He attends the Hightower High School, Missouri City, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

Alternate Designations
 1998 FJ65 = 1999 RU217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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