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 ]  
52280 (1989 RB)
Classification: Main-belt Asteroid          SPK-ID: 2052280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3187556035406062 4.9351e-08  
a 2.566520203351011 1.6667e-08 au
q 1.7484275069327 1.2399e-07 au
i 19.73356973775286 4.8037e-06 deg
node .8955324691071916 1.1903e-05 deg
peri 325.0415838782008 1.4822e-05 deg
M 228.7988986490527 1.3017e-05 deg
tp 2459747.831492963644
(2022-Jun-17.33149296)
5.6382e-05 TDB
period 1501.811611625538
4.11
1.4629e-05
4.005e-08
d
yr
n .2397104917908721 2.335e-09 deg/d
Q 3.384612899769322 2.198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      12946 days (35.44 yr)  
   first obs. used      1985-10-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:39  

Additional Information
 Earth MOID = .767719 au 
 Jupiter MOID = 2.11569 au 
 T_jup = 3.281 
[ 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 14.24   n/a MPCxxxxx  
diameter diameter 6.967 km 1.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.053   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

52280 (1989 RB)          Discovered 1989-Sep-05 by Helin, E. F. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 RB = 1985 SL5 = 1985 TK = 1985 TR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-19 11:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin