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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
48538 (1993 RF15)
Classification: Main-belt Asteroid          SPK-ID: 2048538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2174004598454439 3.9225e-08  
a 2.698054896402485 1.1354e-08 au
q 2.111496521236333 1.0945e-07 au
i 1.756091894699951 4.0589e-06 deg
node 170.2506393002326 0.00012014 deg
peri 151.4332911365567 0.00012058 deg
M 303.6938888429925 8.4615e-06 deg
tp 2458853.678972070890
(2020-Jan-05.17897207)
3.838e-05 TDB
period 1618.730686112692
4.43
1.0218e-05
2.798e-08
d
yr
n .2223964758860064 1.4039e-09 deg/d
Q 3.284613271568637 1.3823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      10414 days (28.51 yr)  
   first obs. used      1991-02-14  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:15:15  

Additional Information
 Earth MOID = 1.09826 au 
 Jupiter MOID = 2.04494 au 
 T_jup = 3.334 
[ 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 15.1   n/a MPO436122  
diameter diameter 3.613 km 0.604 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.103   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48538 (1993 RF15)          Discovered 1993-Sep-15 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 RF15 = 1996 FP9 = 2000 DU8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin