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 ]  
266375 (2007 EN99)
Classification: Main-belt Asteroid          SPK-ID: 2266375
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055499767577124 6.7141e-08  
a 2.697991494456958 2.7561e-08 au
q 2.413218554924521 1.7315e-07 au
i 2.106280798485962 6.5577e-06 deg
node 160.8865777299024 0.00013864 deg
peri 195.3934474536085 0.00014046 deg
M 171.6750615320906 2.433e-05 deg
tp 2458228.594736836182
(2018-Apr-20.09473684)
0.00010554 TDB
period 1618.673628301164
4.43
2.4803e-05
6.791e-08
d
yr
n .2224043153021703 3.4079e-09 deg/d
Q 2.982764433989396 3.047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      7053 days (19.31 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:46:45  

Additional Information
 Earth MOID = 1.40873 au 
 Jupiter MOID = 2.43543 au 
 T_jup = 3.360 
[ 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 16.8   n/a MPO470829  

266375 (2007 EN99)          Discovered 2007-Mar-11 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2007 EN99 = 2005 XV33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 15:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin