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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440575616246792 6.2336e-08  
a 2.568482778432524 2.5744e-08 AU
q 2.198473412296554 1.6525e-07 AU
i 13.5812906526233 7.8031e-06 deg
node 131.567306336138 3.3727e-05 deg
peri 121.1669739678379 4.835e-05 deg
M 37.57155821662625 3.7963e-05 deg
tp 2456643.582955249085
(2013-Dec-17.08295525)
0.00015753 JED
period 1503.53455623598
4.12
2.2605e-05
6.189e-08
d
yr
n .239435800465565 3.5998e-09 deg/d
Q 2.938492144568495 2.9452e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      21653 days (59.28 yr)  
   first obs. used      1955-03-25  
   last obs. used      2014-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49683  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:46:09  

Additional Information
 Earth MOID = 1.21597 AU 
 T_jup = 3.377 
[ 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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