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 ]  
12904 (1998 RB65)
Classification: Outer Main-belt Asteroid          SPK-ID: 2012904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335828947769865 3.6503e-08  
a 3.210656311771576 1.7249e-08 au
q 2.781767547511126 1.1882e-07 au
i .08198872945017514 3.9487e-06 deg
node 91.19103943442961 0.0031823 deg
peri 147.4341977495376 0.0031824 deg
M 29.46949744603754 1.7218e-05 deg
tp 2458828.487747243356
(2019-Dec-10.98774724)
0.00010028 TDB
period 2101.305293915628
5.75
1.6933e-05
4.636e-08
d
yr
n .171322083013062 1.3806e-09 deg/d
Q 3.639545076032026 1.9553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1880  
   data-arc span      11050 days (30.25 yr)  
   first obs. used      1990-03-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:32:14  

Additional Information
 Earth MOID = 1.76963 au 
 Jupiter MOID = 1.36804 au 
 T_jup = 3.178 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO473941  

12904 (1998 RB65)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RB65 = 1990 FN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 10:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin