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 ]  
20263 (1998 FF16)
Classification: Main-belt Asteroid          SPK-ID: 2020263
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188504794190821 3.099e-08  
a 2.392925396762151 7.2956e-09 au
q 1.941847487331513 7.5812e-08 au
i 2.482691153030734 3.6616e-06 deg
node 161.0571962985986 7.7502e-05 deg
peri 106.5234038448876 7.8137e-05 deg
M 350.9168801957321 1.1892e-05 deg
tp 2459234.613376469769
(2021-Jan-20.11337647)		 4.4742e-05 TDB
period 1352.048172187107
3.70		 6.1833e-06
1.693e-08		 d
yr
n .2662627023249142 1.2177e-09 deg/d
Q 2.844003306192789 8.6709e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2019  
   data-arc span      9036 days (24.74 yr)  
   first obs. used      1995-09-20  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:14  

Additional Information
 Earth MOID = .925892 au 
 Jupiter MOID = 2.24807 au 
 T_jup = 3.505 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.49   n/a E2021B10  
diameter diameter 3.618 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20263 (1998 FF16)          Discovered 1998-Mar-25 by Kagawa, T. at Gekko
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FF16 = 1995 SS28 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-14 14:49 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin