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 ]  
(2015 RU178)
Classification: Apollo [NEO]          SPK-ID: 3728374
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2457279.5 (2015-Sep-14.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6820617533078743 0.0028097  
a 2.295230511275149 0.018174 au
q .7297415645090921 0.00067085 au
i 6.249220610831856 0.020944 deg
node 167.8170658047684 0.00036574 deg
peri 106.7444514586736 0.00092255 deg
M 13.8129777756249 0.1834 deg
tp 2457230.767049983025
(2015-Jul-27.26704998)
0.068239 TDB
period 1270.099922774785
3.48
15.085
0.0413
d
yr
n .2834422658758286 0.0033664 deg/d
Q 3.860719458041206 0.030569 au
  Orbit Determination Parameters
   # obs. used (total)      9  
   data-arc span      6 days  
   first obs. used      2015-09-12  
   last obs. used      2015-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .33577  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:31:53  

Additional Information
 Earth MOID = .00362353 au 
 Jupiter MOID = 1.36153 au 
 T_jup = 3.233 
[ 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   n/a MPO347495  

[ 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 2020-May-28 17:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin