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 ]  
150154 (1997 EG16)
Classification: Main-belt Asteroid          SPK-ID: 2150154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06493683011520171 4.0688e-08  
a 2.946975710996601 1.7826e-08 au
q 2.755608449897989 1.2499e-07 au
i 1.55748418383559 4.4808e-06 deg
node 187.4205891859646 0.00014814 deg
peri 306.6219950315785 0.00015207 deg
M 289.4421465168418 3.523e-05 deg
tp 2459562.664702754454
(2021-Dec-14.16470275)
0.00018208 TDB
period 1847.835308974139
5.06
1.6766e-05
4.59e-08
d
yr
n .1948225571032415 1.7677e-09 deg/d
Q 3.138342972095213 1.8983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      9616 days (26.33 yr)  
   first obs. used      1994-09-11  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54041  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:20  

Additional Information
 Earth MOID = 1.76991 au 
 Jupiter MOID = 1.87628 au 
 T_jup = 3.267 
[ 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 16.1   n/a MPO493853  

150154 (1997 EG16)          Discovered 1997-Mar-05 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1997 EG16 = 1999 RP8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 08:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin