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19425 Nicholasrapp (1998 FW61)
Classification: Main-belt Asteroid          SPK-ID: 2019425
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749226480861836 2.875e-08  
a 2.44571844567158 7.4465e-09 au
q 2.017906898681483 7.0822e-08 au
i 5.274416211542978 4.2747e-06 deg
node 216.3887461810348 3.1778e-05 deg
peri 214.0657702024141 3.422e-05 deg
M 129.0761321134626 1.2032e-05 deg
tp 2458895.599393515408
(2020-Feb-16.09939352)
4.6483e-05 TDB
period 1397.037665925267
3.82
6.3804e-06
1.747e-08
d
yr
n .2576881130556847 1.1769e-09 deg/d
Q 2.873529992661678 8.7491e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1942  
   data-arc span      14948 days (40.93 yr)  
   first obs. used      1980-07-12  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:48:11  

Additional Information
 Earth MOID = 1.03431 au 
 Jupiter MOID = 2.42568 au 
 T_jup = 3.472 
[ 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 14.31   n/a MPCxxxxx  
rotation period rot_per 9.14 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Molnar, L.; Pal, A.; Sarneczky, K.; Szabo, R.; et al. (2018) Ap. J. Supp. Ser. 234, A37.]

19425 Nicholasrapp           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Nicholas Dorian Rapp (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his engineering team project. He also received the Intel Foundation Achievement Award. He attends the Amador Valley High School, Pleasanton, California, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 1998 FW61 = 1991 LJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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