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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2021 RY3)
Classification: Aten [NEO]          SPK-ID: 54193344
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4201883980362073 0.00089715  
a .7697958736352614 0.00027014 au
q .4463365786775782 0.00084725 au
i 13.53770127340586 0.050435 deg
node 344.404229818355 0.0090613 deg
peri 160.213965883555 0.0036241 deg
M 128.2707306367728 0.026999 deg
tp 2459308.600407275101
(2021-Apr-04.10040727)
0.027782 TDB
period 246.6958223740866
0.68
0.12986
0.0003555
d
yr
n 1.459286973470107 0.00076815 deg/d
Q 1.093255168592945 0.00038365 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      5 days  
   first obs. used      2021-09-07  
   last obs. used      2021-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .51183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-13 05:49:19  

Additional Information
 Earth MOID = .0275502 au 
 Jupiter MOID = 3.9149 au 
 T_jup = 7.438 
[ 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 25.637   .36987 3 autocmod 2.9e

[ 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-Sep-17 09:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin