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 AA1)
Classification: Aten [NEO]          SPK-ID: 54104276
[ 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526163577288426 0.00034009  
a .9807747009464098 0.00022872 au
q .8310924383353739 0.00013977 au
i 17.25709095188129 0.053553 deg
node 286.0127136897192 6.9222e-05 deg
peri 303.4695574566891 0.065315 deg
M 70.14506823781569 0.049424 deg
tp 2459327.373120875384
(2021-Apr-22.87312088)		 0.072883 TDB
period 354.7744283388644
0.97		 0.1241
0.0003398		 d
yr
n 1.014729279349707 0.00035495 deg/d
Q 1.130456963557446 0.00026362 au
   Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      8 days  
   first obs. used      2021-01-04  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .43201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:22:31  

Additional Information
 Earth MOID = .0564501 au 
 Jupiter MOID = 3.91062 au 
 T_jup = 6.125 
[ 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 26.10   .38723 E2021-AE8 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-Jul-30 10:59 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin