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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444006724558574 4.9824e-08  
a 2.567415764055723 1.8591e-08 au
q 2.196679201252308 1.2478e-07 au
i 13.5817763936704 5.5895e-06 deg
node 131.5636989598639 2.2774e-05 deg
peri 121.0078628786246 3.193e-05 deg
M 229.3559271686317 2.5558e-05 deg
tp 2458145.793024800455
(2018-Jan-27.29302480)
0.0001096 JED
period 1502.597742658785
4.11
1.6321e-05
4.468e-08
d
yr
n .2395850797452915 2.6024e-09 deg/d
Q 2.938152326859139 2.1276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1099  
   data-arc span      22284 days (61.01 yr)  
   first obs. used      1955-03-25  
   last obs. used      2016-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51476  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:36:17  

Additional Information
 Earth MOID = 1.21445 au 
 Jupiter MOID = 2.24607 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 ]
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