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 ]  
48740 (1997 EF32)
Classification: Main-belt Asteroid          SPK-ID: 2048740
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2399418022563106 5.1445e-08  
a 2.418864189480795 8.1744e-09 au
q 1.838477556443523 1.2704e-07 au
i 1.536072417606697 5.6255e-06 deg
node 355.2829581765435 0.00014196 deg
peri 2.944022222105251 0.0001422 deg
M 141.2363924985652 8.9021e-06 deg
tp 2458061.411869541483
(2017-Nov-03.91186954)
3.2737e-05 TDB
period 1374.091503838415
3.76
6.9655e-06
1.907e-08
d
yr
n .2619912858746078 1.3281e-09 deg/d
Q 2.999250822518067 1.0136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      16958 days (46.43 yr)  
   first obs. used      1972-10-05  
   last obs. used      2019-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55607  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:41  

Additional Information
 Earth MOID = .833817 au 
 Jupiter MOID = 2.4481 au 
 T_jup = 3.474 
[ 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 15.7   n/a MPO309528  

48740 (1997 EF32)          Discovered 1997-Mar-11 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 EF32 = 1972 TV2 = 2000 AA57 
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