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 ]  
49523 (1999 CL38)
Classification: Main-belt Asteroid          SPK-ID: 2049523
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1264605713993736 4.0897e-08  
a 3.077143979830809 1.8746e-08 au
q 2.688006593863262 1.2549e-07 au
i 12.46345936722418 4.9083e-06 deg
node 331.4169057475062 1.8242e-05 deg
peri 331.7299328199535 2.4808e-05 deg
M 193.3114462521343 1.7789e-05 deg
tp 2459913.400470069903
(2022-Nov-29.90047007)
9.9422e-05 TDB
period 1971.606099134286
5.40
1.8017e-05
4.933e-08
d
yr
n .1825922531676447 1.6685e-09 deg/d
Q 3.466281365798356 2.1117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1465  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1998-11-30  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:32:13  

Additional Information
 Earth MOID = 1.68044 au 
 Jupiter MOID = 1.86186 au 
 T_jup = 3.181 
[ 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 13.5   n/a MPO452843  
diameter diameter 11.475 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49523 (1999 CL38)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CL38 = 2001 OD50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 09:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin