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 ]  
46704 (1997 EL5)
Classification: Main-belt Asteroid          SPK-ID: 2046704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2334167509075002 3.8399e-08  
a 2.375143632698153 7.9578e-09 au
q 1.820745323015113 9.3704e-08 au
i 2.476109801501694 3.904e-06 deg
node 172.6577580666138 8.5121e-05 deg
peri 175.6457214176414 8.5425e-05 deg
M 322.2266074555948 7.6367e-06 deg
tp 2459140.786776111721
(2020-Oct-18.28677611)
2.8528e-05 TDB
period 1337.005653936159
3.66
6.7193e-06
1.84e-08
d
yr
n .269258397629177 1.3532e-09 deg/d
Q 2.929541942381193 9.8153e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1040  
   data-arc span      9991 days (27.35 yr)  
   first obs. used      1993-03-25  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:23:37  

Additional Information
 Earth MOID = .814271 au 
 Jupiter MOID = 2.49899 au 
 T_jup = 3.503 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO279979  

46704 (1997 EL5)          Discovered 1997-Mar-04 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EL5 = 2001 HP47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-21 05:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin