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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1940-May-29 20:18 00:02 Jupiter 1.96042829522155 1.9604278302639 1.96042876017975 3.33862541177511 3.20660252932004 2429779.346056771 1.70461051500439 78.484936874325 11.863394790358 80.9170076759282 4162195.417147 T 32 CATAB v2.0g-lin.ifort 2021-Jul-08 18:34:02 2021-Jul-08 18:34
1975-Jan-16 20:36 < 00:01 Jupiter 1.93660452103498 1.93660423841881 1.93660480365113 3.13291519336015 2.99005142037473 2442429.357998105 0.94103813396511 59.9622150146656 9.21458884112807 89.8300774574648 4567753.54716403 T 32 CATAB v2.0g-lin.ifort 2021-Jul-08 18:34:02 2021-Jul-08 18:34
2070-Jul-11 16:57 00:01 Jupiter 1.93337507991481 1.93337479655675 1.93337536327287 3.19520296204128 3.05501402693863 2477304.206217003 1.22419756158506 68.8365780058975 9.51508196151902 -89.5362150900783 4546944.62749368 T 32 CATAB v2.0g-lin.ifort 2021-Jul-08 18:34:02 2021-Jul-08 18:34
2105-Feb-26 20:54 00:02 Jupiter 1.96151870274137 1.96151829089365 1.96151911458999 3.18372077358373 3.04506789233823 2489952.370922329 2.00302696208534 100.843077035741 10.7296365815911 -83.1260985100832 4676367.09655104 T 32 CATAB v2.0g-lin.ifort 2021-Jul-08 18:34:02 2021-Jul-08 18:34
2166-Jan-04 05:32 00:03 Jupiter 1.97219212411557 1.97219157601266 1.97219267222027 3.38788636353962 3.25865133113716 2512178.730656202 3.34179718112498 121.280599603315 11.7367795952133 81.8495151790172 4403912.55247422 T 32 CATAB v2.0g-lin.ifort 2021-Jul-08 18:34:02 2021-Jul-08 18:34
2200-Aug-25 00:06 00:04 Jupiter 1.92758398597913 1.92758366236458 1.92758430959588 3.13222302948559 2.98864139983969 2524829.504118321 4.15929730109232 222.135096034662 9.38657121006987 -87.7535816489763 4541598.11363457 T 32 CATAB v2.0g-lin.ifort 2021-Jul-08 18:34:02 2021-Jul-08 18:34

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