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JPL Small-Body Database Browser
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100941 (1998 MD48)
Classification: Main-belt Asteroid          SPK-ID: 2100941
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949165214586255 3.9828e-08  
a 2.45973356076486 1.3987e-08 au
q 1.980290851385535 1.0221e-07 au
i 1.58653122494623 4.2243e-06 deg
node 260.164085981861 0.00016015 deg
peri 33.81773790761905 0.00016082 deg
M 243.3149625032913 1.9437e-05 deg
tp 2459457.212813467123
(2021-Aug-30.71281347)
7.892e-05 TDB
period 1409.063375866011
3.86
1.2019e-05
3.291e-08
d
yr
n .2554888631455231 2.1793e-09 deg/d
Q 2.939176270144185 1.6714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      7916 days (21.67 yr)  
   first obs. used      1998-05-31  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:13:47  

Additional Information
 Earth MOID = .964444 au 
 Jupiter MOID = 2.25639 au 
 T_jup = 3.464 
[ 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 16.2   n/a MPO417510  

100941 (1998 MD48)          Discovered 1998-Jun-28 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 MD48 = 2002 PH56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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