Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
48446 (1990 RB1)
Classification: Main-belt Asteroid          SPK-ID: 2048446
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102040458424622 7.4426e-08  
a 3.172034943158922 4.7543e-08 AU
q 2.505260364553252 2.2178e-07 AU
i 10.52404237758001 8.4748e-06 deg
node 172.1387504054307 4.3177e-05 deg
peri 151.5221452562561 4.9022e-05 deg
M 127.5332507784349 2.9801e-05 deg
tp 2456269.484980267446
(2012-Dec-07.98498027)
0.00015913 JED
period 2063.504266514149
5.65
4.6392e-05
1.27e-07
d
yr
n .1744605067418364 3.9223e-09 deg/d
Q 3.838809521764592 5.7537e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      8923 days (24.43 yr)  
   first obs. used      1990-09-14  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56535  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:13:01  

Additional Information
 Earth MOID = 1.50024 AU 
 T_jup = 3.141 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO309526  

48446 (1990 RB1)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RB1 = 2000 GM161 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-May-26 05:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin