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 ]  
(2015 WE2)
Classification: Apollo [NEO]          SPK-ID: 3735487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5175421301207858 5.3438e-06  
a 1.867830555908069 1.9819e-05 au
q .9011495512987158 5.1792e-07 au
i 3.356050353156602 6.19e-05 deg
node 28.40232483989821 0.00054011 deg
peri 117.5841196502837 0.00050232 deg
M 93.80729925475754 0.0071903 deg
tp 2458357.537765887977
(2018-Aug-27.03776589)
0.014756 TDB
period 932.405100404723
2.55
0.01484
4.063e-05
d
yr
n .3860982740696475 6.145e-06 deg/d
Q 2.834511560517423 3.0076e-05 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      59 days  
   first obs. used      2015-11-19  
   last obs. used      2016-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .26537  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:28  

Additional Information
 Earth MOID = .0175933 au 
 Jupiter MOID = 2.19226 au 
 T_jup = 3.809 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.4   n/a E2016A03  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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