Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
52472 (1995 SR9)
Classification: Main-belt Asteroid          SPK-ID: 2052472
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292378859799637 3.7696e-08  
a 3.147304405623409 2.0084e-08 au
q 2.740553437705213 1.1535e-07 au
i 12.98399627196468 6.7688e-06 deg
node 355.5655544210273 1.8546e-05 deg
peri 91.48303449221737 3.4872e-05 deg
M 107.264088546839 2.7145e-05 deg
tp 2458592.843150806477
(2019-Apr-19.34315081)
0.00015351 TDB
period 2039.419424275851
5.58
1.9521e-05
5.345e-08
d
yr
n .1765208253460797 1.6897e-09 deg/d
Q 3.554055373541604 2.268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      9036 days (24.74 yr)  
   first obs. used      1995-08-25  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5226  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:37  

Additional Information
 Earth MOID = 1.79542 au 
 Jupiter MOID = 1.75123 au 
 T_jup = 3.156 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.30   n/a E2021B10  
diameter diameter 8.669 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52472 (1995 SR9)          Discovered 1995-Sep-17 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 SR9 = 1998 BD26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-14 13:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin