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 AA)
Classification: Apollo [NEO]          SPK-ID: 54103879
[ 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 2459216.5 (2021-Jan-02.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5925667451793568 0.00090082  
a 1.015155417507019 0.0012181 au
q .4136080759036938 0.00041968 au
i 24.13395881264355 0.056969 deg
node 100.9947621633934 0.00051914 deg
peri 236.1694685773207 0.024089 deg
M 53.43511809611754 0.15656 deg
tp 2459161.047452232413
(2020-Nov-07.54745223)		 0.062701 TDB
period 373.5917109871939
1.02		 0.6724
0.001841		 d
yr
n .9636188100874117 0.0017343 deg/d
Q 1.616702759110345 0.0019399 au
   Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      1 day  
   first obs. used      2021-01-02  
   last obs. used      2021-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .2926  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-02 19:42:02  

Additional Information
 Earth MOID = .000171587 au 
 Jupiter MOID = 3.86848 au 
 T_jup = 5.775 
[ 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 26.928   .29685 1 autocmod 2.8

[ 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-Jan-28 06:31 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin