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 ]  
19789 Susanjohnson (2000 QP149)
Classification: Main-belt Asteroid          SPK-ID: 2019789
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557647001351589 2.8467e-08  
a 2.25905387191236 5.8075e-09 au
q 1.907173022964762 6.5934e-08 au
i 5.485369000113185 2.8073e-06 deg
node 210.0877421224179 3.2659e-05 deg
peri 153.5074980837292 3.4329e-05 deg
M .2102544120448567 9.7184e-06 deg
tp 2459199.775679252055
(2020-Dec-16.27567925)
3.348e-05 TDB
period 1240.19023774121
3.40
4.7824e-06
1.309e-08
d
yr
n .2902780469032534 1.1194e-09 deg/d
Q 2.610934720859958 6.7121e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2274  
   data-arc span      12022 days (32.91 yr)  
   first obs. used      1988-03-10  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:12  

Additional Information
 Earth MOID = .905551 au 
 Jupiter MOID = 2.85896 au 
 T_jup = 3.599 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.55   n/a E2021B10  
diameter diameter 3.131 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.376   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19789 Susanjohnson           Discovered 2000 Aug. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Susan Johnson mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Moore Middle School, Redlands, California.
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

[ show close-approach data ]
Alternate Designations
 2000 QP149 = 1999 JR23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 00:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin