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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
268096 (2004 RY257)
Classification: Main-belt Asteroid          SPK-ID: 2268096
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177155473390706 6.3807e-08  
a 2.619945755719327 3.2415e-08 au
q 2.311537407086151 1.6342e-07 au
i 11.90821142776258 7.5854e-06 deg
node 298.4313711503234 3.1301e-05 deg
peri 310.9051282711713 4.361e-05 deg
M 244.0844516083242 3.1129e-05 deg
tp 2459099.242146093625
(2020-Sep-06.74214609)
0.00013553 TDB
period 1548.948135818842
4.24
2.8747e-05
7.87e-08
d
yr
n .2324157869945001 4.3134e-09 deg/d
Q 2.928354104352502 3.6231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      7662 days (20.98 yr)  
   first obs. used      1998-01-23  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:17:22  

Additional Information
 Earth MOID = 1.31493 au 
 Jupiter MOID = 2.22674 au 
 T_jup = 3.365 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO433740  

268096 (2004 RY257)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2004 RY257 = 2007 EA216 = 2008 OB11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-28 17:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin