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 ]  
100687 (1997 YF4)
Classification: Main-belt Asteroid          SPK-ID: 2100687
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07378033874574419 3.5626e-08  
a 2.66073170901765 1.1516e-08 au
q 2.464422022214785 9.4393e-08 au
i 3.119872837129185 3.9824e-06 deg
node 123.4105385881412 7.8173e-05 deg
peri 299.4239178445716 8.5318e-05 deg
M 130.379046517352 3.2588e-05 deg
tp 2458626.376459064625
(2019-May-22.87645906)
0.0001434 TDB
period 1585.25836978895
4.34
1.0292e-05
2.818e-08
d
yr
n .2270923193724742 1.4743e-09 deg/d
Q 2.857041395820515 1.2366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      8174 days (22.38 yr)  
   first obs. used      1997-12-23  
   last obs. used      2020-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55041  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:48  

Additional Information
 Earth MOID = 1.47872 au 
 Jupiter MOID = 2.35344 au 
 T_jup = 3.380 
[ 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 15.29   n/a E2021B55  

100687 (1997 YF4)          Discovered 1997-Dec-23 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 YF4 = 2001 TM12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-03 02:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin