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 ]  
246880 (1995 SR54)
Classification: Main-belt Asteroid          SPK-ID: 2246880
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2234492569744334 8.7797e-08  
a 2.41198112914067 2.3787e-08 AU
q 1.873025737997832 2.044e-07 AU
i 1.412094487294006 7.4494e-06 deg
node 144.076953191134 0.00030759 deg
peri 222.2475632643324 0.00030888 deg
M 34.55433276574115 1.7593e-05 deg
tp 2456869.171405663123
(2014-Jul-30.67140566)
6.6917e-05 JED
period 1368.230556839161
3.75
2.024e-05
5.541e-08
d
yr
n .2631135507100935 3.8922e-09 deg/d
Q 2.950936520283507 2.9102e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1992-12-25  
   last obs. used      2014-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57787  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 10:24:18  

Additional Information
 Earth MOID = .871864 AU 
 T_jup = 3.484 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2 mag n/a MPO314701  

246880 (1995 SR54)          Discovered 1995-Sep-17 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jan-31 13:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin