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 ]  
48485 (1992 EX4)
Classification: Main-belt Asteroid          SPK-ID: 2048485
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034931038611623 3.3744e-08  
a 2.584898884697492 1.5551e-08 au
q 2.317379675952892 8.924e-08 au
i 14.18743644491124 4.4615e-06 deg
node 143.5899391466013 1.4621e-05 deg
peri 75.77869313133574 2.6564e-05 deg
M 138.0098043564831 2.3005e-05 deg
tp 2458018.569385925037
(2017-Sep-22.06938592)
9.5069e-05 TDB
period 1517.972016871029
4.16
1.3698e-05
3.75e-08
d
yr
n .2371585220273442 2.1402e-09 deg/d
Q 2.852418093442092 1.7161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      10106 days (27.67 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:18  

Additional Information
 Earth MOID = 1.35982 au 
 Jupiter MOID = 2.22289 au 
 T_jup = 3.372 
[ 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 15.0   n/a MPO449310  
rotation period rot_per 4.899 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

48485 (1992 EX4)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EX4 = 2000 AE182 
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