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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2233972051609722 8.7586e-08  
a 2.413889186300447 2.3992e-08 au
q 1.874633088512634 2.0376e-07 au
i 1.413065714783801 7.4343e-06 deg
node 144.0706778641182 0.00030725 deg
peri 222.4827319316032 0.00030855 deg
M 139.4825737625203 1.7644e-05 deg
tp 2456869.747715256490
(2014-Jul-31.24771526)
6.7118e-05 JED
period 1369.85443667663
3.75
2.0423e-05
5.592e-08
d
yr
n .2628016454605111 3.9181e-09 deg/d
Q 2.953145284088261 2.9352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      8059 days (22.06 yr)  
   first obs. used      1992-12-25  
   last obs. used      2015-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56825  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 22:40:53  

Additional Information
 Earth MOID = .871654 au 
 Jupiter MOID = 2.4998 au 
 T_jup = 3.483 
[ 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
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 2016-Feb-11 13:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin