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 ]  
85943 (1999 EJ7)
Classification: Main-belt Asteroid          SPK-ID: 2085943
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1876240776400234 5.0402e-08  
a 2.514337013933485 1.6055e-08 au
q 2.042586850818044 1.2637e-07 au
i 3.655507173196723 5.036e-06 deg
node 320.8896052420878 6.9971e-05 deg
peri 7.161044688964692 7.227e-05 deg
M 203.1104821294209 2.3716e-05 deg
tp 2459235.136560558942
(2021-Jan-20.63656056)
9.8539e-05 TDB
period 1456.242360242876
3.99
1.3948e-05
3.819e-08
d
yr
n .2472115973469954 2.3678e-09 deg/d
Q 2.986087177048925 1.9067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1997-12-27  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62009  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:51:19  

Additional Information
 Earth MOID = 1.03035 au 
 Jupiter MOID = 2.35468 au 
 T_jup = 3.432 
[ 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 15.3   n/a MPO436376  

85943 (1999 EJ7)          Discovered 1999-Mar-12 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 EJ7 = 2001 UR175 = 2001 VP65 
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