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 ]  
19385 (1998 CE4)
Classification: Main-belt Asteroid          SPK-ID: 2019385
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802737088700376 4.3581e-08  
a 2.324061394875428 8.9965e-09 au
q 1.905094227579562 1.0059e-07 au
i 4.641629846747591 4.3188e-06 deg
node 57.30267961650683 4.212e-05 deg
peri 300.4625393786937 4.3673e-05 deg
M 289.9759574661223 1.4657e-05 deg
tp 2459452.218132088994
(2021-Aug-25.71813209)
5.3476e-05 TDB
period 1294.105913810912
3.54
7.5143e-06
2.057e-08
d
yr
n .2781843403681418 1.6153e-09 deg/d
Q 2.743028562171294 1.0618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      9222 days (25.25 yr)  
   first obs. used      1995-03-26  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:15  

Additional Information
 Earth MOID = .904911 au 
 Jupiter MOID = 2.71078 au 
 T_jup = 3.549 
[ 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 15.10   n/a E2021B10  
diameter diameter 2.922 km 0.638 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.227   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19385 (1998 CE4)          Discovered 1998-Feb-13 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 CE4 = 1999 JE134 
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 03:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin