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 CW2)
Classification: Apollo [NEO]          SPK-ID: 54110697
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414235435616154 0.00014131  
a 1.162411655364903 0.0001945 au
q .9980192799858753 3.1958e-06 au
i 5.299829605114733 0.0048565 deg
node 318.4323990435147 9.6526e-05 deg
peri 220.8274889553624 0.0060207 deg
M 287.7813745874246 0.014685 deg
tp 2459292.330104374813
(2021-Mar-18.83010437)
0.0044785 TDB
period 457.7605484190787
1.25
0.11489
0.0003146
d
yr
n .7864373660930274 0.00019739 deg/d
Q 1.326804030743931 0.00022201 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      10 days  
   first obs. used      2021-02-05  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .44991  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:01  

Additional Information
 Earth MOID = .0313384 au 
 Jupiter MOID = 3.63719 au 
 T_jup = 5.408 
[ 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 27.8   .28823 E2021D10 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-16 04:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin