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 ]  
22860 Francylemp (1999 RA149)
Classification: Main-belt Asteroid          SPK-ID: 2022860
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956796131781387 4.0839e-08  
a 2.401466045893712 7.5544e-09 au
q 1.931548098972796 9.7044e-08 au
i .487299717499987 3.112e-06 deg
node 265.3599547175875 0.00049113 deg
peri 86.61841252997348 0.00049119 deg
M 249.313545004173 9.0625e-06 deg
tp 2459618.431475564659
(2022-Feb-07.93147556)
3.524e-05 TDB
period 1359.293069860711
3.72
6.414e-06
1.756e-08
d
yr
n .2648435484460241 1.2497e-09 deg/d
Q 2.871383992814627 9.0326e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1605  
   data-arc span      16089 days (44.05 yr)  
   first obs. used      1976-05-03  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5386  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:13:56  

Additional Information
 Earth MOID = .924333 au 
 Jupiter MOID = 2.56324 au 
 T_jup = 3.499 
[ 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 15.03   n/a E2021B10  
diameter diameter 2.252 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22860 Francylemp           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Francy M. Lemp mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Lemp Home School, Waterford, Michigan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

[ show close-approach data ]
Alternate Designations
 1999 RA149 = 1976 JJ5 
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-21 05:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin