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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443242179047568 5.0016e-08  
a 2.567500360460365 1.8822e-08 au
q 2.196947878966741 1.2505e-07 au
i 13.58156092262238 5.9453e-06 deg
node 131.5648396551024 2.3493e-05 deg
peri 121.0329663180561 3.3335e-05 deg
M 181.4026930530183 2.6066e-05 deg
tp 2458145.981039083205
(2018-Jan-27.48103908)
0.00011239 JED
period 1502.672009212452
4.11
1.6524e-05
4.524e-08
d
yr
n .2395732387326996 2.6344e-09 deg/d
Q 2.938052841953988 2.1539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      22183 days (60.73 yr)  
   first obs. used      1955-03-25  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51061  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:47:10  

Additional Information
 Earth MOID = 1.21356 au 
 Jupiter MOID = 2.24513 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 13.1 mag n/a MPO313588  

21152 (1993 MB1)          Discovered 1993-Jun-17 by Holt, H. E. at Palomar
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 2016-Feb-13 19:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin