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 ]  
21152 (1993 MB1)
Classification: Main-belt Asteroid          SPK-ID: 2021152
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440930568190849 5.3082e-08  
a 2.568247691426743 2.1056e-08 AU
q 2.198181030900506 1.3403e-07 AU
i 13.58156220415775 7.7681e-06 deg
node 131.5674731481093 2.8193e-05 deg
peri 121.1219602427251 4.2502e-05 deg
M 85.49901707863664 3.2033e-05 deg
tp 2456643.463671664044
(2013-Dec-16.96367166)
0.00013295 JED
period 1503.328138646641
4.12
1.8487e-05
5.061e-08
d
yr
n .2394686766949544 2.9449e-09 deg/d
Q 2.938314351952981 2.409e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      21711 days (59.44 yr)  
   first obs. used      1955-03-25  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49117  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:43:27  

Additional Information
 Earth MOID = 1.21743 AU 
 T_jup = 3.378 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO263536  

21152 (1993 MB1)          Discovered 1993-Jun-17 by Holt, H. E. at Palomar (675)
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 MB1 = 2000 BZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-31 14:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin