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21524 (1998 MB16)
Classification: Main-belt Asteroid          SPK-ID: 2021524
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04143924336827023 3.1445e-08  
a 2.927097182514427 1.4622e-08 au
q 2.805800490005633 9.4876e-08 au
i 3.59451277675343 3.4731e-06 deg
node 77.65880562987478 5.577e-05 deg
peri 85.11530879221868 7.2376e-05 deg
M 290.9996230712391 4.8058e-05 deg
tp 2459747.092887903144
(2022-Jun-16.59288790)		 0.00024533 TDB
period 1829.170292438259
5.01		 1.3706e-05
3.752e-08		 d
yr
n .1968105438231915 1.4747e-09 deg/d
Q 3.04839387502322 1.5228e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1458  
   data-arc span      11044 days (30.24 yr)  
   first obs. used      1990-11-18  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49472  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:33:48  

Additional Information
 Earth MOID = 1.81696 au 
 Jupiter MOID = 1.92147 au 
 T_jup = 3.273 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.41   n/a MPCxxxxx  

21524 (1998 MB16)          Discovered 1998-Jun-21 by Spacewatch at Kitt Peak
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 MB16 = 1997 EG37 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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