Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
19597 Ryanlee (1999 NJ32)
Classification: Main-belt Asteroid          SPK-ID: 2019597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07047341500428392 5.0466e-08  
a 2.841729580442049 1.4719e-08 au
q 2.641463192389606 1.3843e-07 au
i 2.575459066032565 4.212e-06 deg
node 147.6303273490713 9.5659e-05 deg
peri 191.045793410518 9.9974e-05 deg
M 96.97137946438049 3.0081e-05 deg
tp 2458529.182438770850
(2019-Feb-14.68243877)
0.00014561 TDB
period 1749.736086871064
4.79
1.3594e-05
3.722e-08
d
yr
n .2057453136511369 1.5985e-09 deg/d
Q 3.04199596849449 1.5756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:07:46  

Additional Information
 Earth MOID = 1.63225 au 
 Jupiter MOID = 2.23058 au 
 T_jup = 3.304 
[ 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 14.6   n/a MPO319330  

19597 Ryanlee           Discovered 1999 July 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Ryan Thomas Lee (b. 1990) is a finalist in the 2003 Discovery Channel Young Scientist Challenge, a middle school science competition, for his earth and space science project. He attends the Fairfield Middle School, Fairfield, Ohio.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

Alternate Designations
 1999 NJ32 = 1998 HK59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 11:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin