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 ]  
46877 (1998 RU)
Classification: Main-belt Asteroid          SPK-ID: 2046877
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08809625956538682 5.4604e-08  
a 2.385870714364193 1.3939e-08 au
q 2.17568442862211 1.3123e-07 au
i 6.754638036921599 6.3684e-06 deg
node 338.3289182608495 4.3677e-05 deg
peri 76.45010902368074 5.7967e-05 deg
M 260.1342395905817 4.0822e-05 deg
tp 2459373.907381598791
(2021-Jun-08.40738160)
0.00015443 TDB
period 1346.073537361129
3.69
1.1796e-05
3.23e-08
d
yr
n .2674445266235242 2.3437e-09 deg/d
Q 2.596057000106276 1.5167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:36:37  

Additional Information
 Earth MOID = 1.19819 au 
 Jupiter MOID = 2.65898 au 
 T_jup = 3.521 
[ 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 15.6   n/a MPO436109  

46877 (1998 RU)          Discovered 1998-Sep-12 by Comba, P. G. at Prescott
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RU = 1993 FD65 = 2000 DQ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-29 14:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin