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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223449248753415 9.8239e-08  
a 2.411981130738008 2.565e-08 AU
q 1.873025759067188 2.3392e-07 AU
i 1.412088415519468 1.0467e-05 deg
node 144.0768785972497 0.0003188 deg
peri 222.24763872 0.00032004 deg
M 34.5543314618512 1.9182e-05 deg
tp 2456869.171410488281
(2014-Jul-30.67141049)
7.2642e-05 JED
period 1368.23055819833
3.75
2.1825e-05
5.975e-08
d
yr
n .2631135504487225 4.197e-09 deg/d
Q 2.950936502408828 3.1381e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1992-12-25  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61203  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 17:58:37  

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 2014-Dec-22 00:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin