Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
264290 (1998 SD27)
Classification: Main-belt Asteroid          SPK-ID: 2264290
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2468880965688556 1.1302e-07  
a 2.432228622564135 2.2432e-08 AU
q 1.831740327518986 2.8279e-07 AU
i 1.845328620140122 8.4411e-06 deg
node 215.1992385554136 0.00038413 deg
peri 159.0318734824757 0.00038544 deg
M 96.91924878264095 2.6841e-05 deg
tp 2456627.496799842151
(2013-Nov-30.99679984)
0.00010062 JED
period 1385.495180198677
3.79
1.9167e-05
5.248e-08
d
yr
n .259834898847051 3.5946e-09 deg/d
Q 3.032716917609283 2.797e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      6024 days (16.49 yr)  
   first obs. used      1998-09-20  
   last obs. used      2015-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5279  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-08 00:20:18  

Additional Information
 Earth MOID = .83271 AU 
 T_jup = 3.464 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0 mag n/a MPO273600  

264290 (1998 SD27)          Discovered 1998-Sep-20 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-May-29 14:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin