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 ]  
46534 (1981 EU27)
Classification: Main-belt Asteroid          SPK-ID: 2046534
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2568354396631881 3.6979e-08  
a 2.264560908395123 7.4448e-09 au
q 1.682941411843393 8.1105e-08 au
i 6.166483278323744 5.7813e-06 deg
node 171.1797634277391 3.3361e-05 deg
peri 95.11614280720383 3.5868e-05 deg
M 9.440399400230433 1.1917e-05 deg
tp 2458567.859086551144
(2019-Mar-25.35908655)
4.1134e-05 TDB
period 1244.727934000467
3.41
6.1381e-06
1.681e-08
d
yr
n .2892198288207333 1.4262e-09 deg/d
Q 2.846180404946853 9.3568e-09 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      14143 days (38.72 yr)  
   first obs. used      1981-02-09  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:33  

Additional Information
 Earth MOID = .681119 au 
 Jupiter MOID = 2.27771 au 
 T_jup = 3.566 
[ 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 16.0   n/a MPO337630  

46534 (1981 EU27)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EU27 = 1998 FV11 
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