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 DA2)
Classification: Aten [NEO]          SPK-ID: 54124622
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013440529753961 4.0877e-05  
a .9266339447312542 2.2816e-05 au
q .7400617106744842 5.6096e-05 au
i 8.38565556761122 0.0019669 deg
node 153.001100216356 4.3101e-05 deg
peri 239.6605313712635 0.005607 deg
M 25.27685120027969 0.00080429 deg
tp 2459177.623941104243
(2020-Nov-24.12394110)
0.0015633 TDB
period 325.8072430470111
0.89
0.012033
3.294e-05
d
yr
n 1.104947810960898 4.0811e-05 deg/d
Q 1.113206178788024 2.741e-05 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      8 days  
   first obs. used      2021-02-22  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .44971  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:13  

Additional Information
 Earth MOID = .000204103 au 
 Jupiter MOID = 4.19127 au 
 T_jup = 6.433 
[ 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 29.17   .39742 MPO606216 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-May-05 22:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin