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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949734889522962 3.9701e-08  
a 2.459296381048043 1.3941e-08 au
q 1.979798785267351 1.0193e-07 au
i 1.586547159328873 4.1117e-06 deg
node 260.1578350936086 0.00015941 deg
peri 33.87684468133903 0.00016008 deg
M 294.3673786693203 1.9729e-05 deg
tp 2459457.321857205651
(2021-Aug-30.82185721)		 7.8816e-05 TDB
period 1408.687733622737
3.86		 1.1978e-05
3.279e-08		 d
yr
n .2555569920909188 2.173e-09 deg/d
Q 2.938793976828737 1.6659e-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 = .96199 au 
 Jupiter MOID = 2.25636 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 16.26   n/a E2021B55  

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

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