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100928 (1998 MM5)
Classification: Main-belt Asteroid          SPK-ID: 2100928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2502296487222164 6.471e-08  
a 2.577542816520566 1.1929e-08 au
q 1.932565182976152 1.6112e-07 au
i 4.607566195629199 5.8499e-06 deg
node 342.5983189888078 7.4772e-05 deg
peri 24.2479683116889 7.6001e-05 deg
M 81.75239237085465 1.6371e-05 deg
tp 2458657.254202248752
(2019-Jun-22.75420225)
6.7208e-05 TDB
period 1511.4968945484
4.14
1.0493e-05
2.873e-08
d
yr
n .238174488679687 1.6535e-09 deg/d
Q 3.222520450064979 1.4914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8752 days (23.96 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55307  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:13:30  

Additional Information
 Earth MOID = .932168 au 
 Jupiter MOID = 2.24861 au 
 T_jup = 3.377 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO449611  

100928 (1998 MM5)          Discovered 1998-Jun-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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