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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
52647 (1997 YD4)
Classification: Main-belt Asteroid          SPK-ID: 2052647
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06964417537618645 4.3645e-08  
a 2.93100886011304 2.277e-08 au
q 2.726881165030171 1.2756e-07 au
i 3.581166586436109 5.6547e-06 deg
node 115.7691461691145 0.00011026 deg
peri 309.7870322053976 0.00012262 deg
M 113.1300097092953 5.3859e-05 deg
tp 2458024.530551617915
(2017-Sep-28.03055162)
0.00027352 TDB
period 1832.838182816084
5.02
2.1358e-05
5.848e-08
d
yr
n .1964166849944572 2.2889e-09 deg/d
Q 3.135136555195909 2.4356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1997-12-23  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54588  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:07:01  

Additional Information
 Earth MOID = 1.74202 au 
 Jupiter MOID = 2.07371 au 
 T_jup = 3.270 
[ 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 14.4   n/a MPO385154  

52647 (1997 YD4)          Discovered 1997-Dec-23 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YD4 = 1999 FE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-25 09:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin