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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223449231704536 1.5671e-07  
a 2.4119811346299 3.7401e-08 AU
q 1.873025803211014 3.9286e-07 AU
i 1.412092011246884 1.4056e-05 deg
node 144.0768977588926 0.00032391 deg
peri 222.2476218249692 0.00032546 deg
M 34.55432829694538 2.9465e-05 deg
tp 2456869.171422199089
(2014-Jul-30.67142220)
0.00011014 JED
period 1368.230561509927
3.75
3.1824e-05
8.713e-08
d
yr
n .2631135498118956 6.1199e-09 deg/d
Q 2.950936466048787 4.5758e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      1992-12-25  
   last obs. used      2013-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58977  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 04:02:23  

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 17.3 mag n/a MPO264596  

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-Oct-25 13:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin