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 ]  
101539 (1998 YE16)
Classification: Main-belt Asteroid          SPK-ID: 2101539
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219669403041711 4.9867e-08  
a 3.061262951494481 2.1034e-08 au
q 2.381763780684735 1.582e-07 au
i 1.129955583368124 5.6192e-06 deg
node 167.6126597873794 0.00030445 deg
peri 280.9288717456759 0.00030493 deg
M 51.52208358148032 1.4154e-05 deg
tp 2458920.511433376435
(2020-Mar-12.01143338)
7.6201e-05 TDB
period 1956.362727937395
5.36
2.0163e-05
5.52e-08
d
yr
n .1840149553347657 1.8966e-09 deg/d
Q 3.740762122304227 2.5703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:16  

Additional Information
 Earth MOID = 1.39824 au 
 Jupiter MOID = 1.48841 au 
 T_jup = 3.195 
[ 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 16.86   n/a E2021B55  

101539 (1998 YE16)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 YE16 = 2003 XW18 
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-22 12:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin