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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194916521731629 3.9707e-08  
a 2.459733560745015 1.3961e-08 au
q 1.980290850698042 1.0197e-07 au
i 1.586531212684707 4.1117e-06 deg
node 260.1640882994917 0.0001594 deg
peri 33.81773545787934 0.00016007 deg
M 243.3149626142986 1.9409e-05 deg
tp 2459457.212813027107
(2021-Aug-30.71281303)
7.8828e-05 TDB
period 1409.063375848959
3.86
1.1996e-05
3.284e-08
d
yr
n .2554888631486149 2.1752e-09 deg/d
Q 2.939176270791989 1.6682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      7996 days (21.89 yr)  
   first obs. used      1998-05-31  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:57:30  

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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