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 ]  
(2021 EE2)
Classification: Apollo [NEO]          SPK-ID: 54130504
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2638335560878122 0.00058606  
a 1.228963403002298 0.00094188 au
q .9047216180864223 2.6877e-05 au
i 23.7042178714659 0.033539 deg
node 167.4756011603607 0.0014224 deg
peri 62.117341821836 0.042173 deg
M 262.7170507719103 0.14644 deg
tp 2459334.974853489754
(2021-Apr-30.47485349)
0.047829 TDB
period 497.6303416008384
1.36
0.57208
0.001566
d
yr
n .7234285571131128 0.00083165 deg/d
Q 1.553205187918173 0.0011904 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      7 days  
   first obs. used      2021-03-07  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .39503  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:28  

Additional Information
 Earth MOID = .0216495 au 
 Jupiter MOID = 3.50623 au 
 T_jup = 5.092 
[ 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 25.46   .41186 MPO606233 autocmod 2.9c

[ 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 2021-May-15 11:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin