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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440930565687412 5.3115e-08  
a 2.568247691574077 2.1073e-08 AU
q 2.198181031669554 1.3415e-07 AU
i 13.58156219543796 7.7684e-06 deg
node 131.5674729314781 2.8231e-05 deg
peri 121.1219605621062 4.2533e-05 deg
M 85.49901691318198 3.2056e-05 deg
tp 2456643.463672324245
(2013-Dec-16.96367232)
0.00013304 JED
period 1503.328138776003
4.12
1.8503e-05
5.066e-08
d
yr
n .2394686766743479 2.9474e-09 deg/d
Q 2.9383143514786 2.411e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      829  
   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      .49368  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:14:21  

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 ]
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