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48903 (1998 MD32)
Classification: Main-belt Asteroid          SPK-ID: 2048903
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09119104591994306 3.1329e-08  
a 2.225128790971376 7.3049e-09 au
q 2.022216969216117 6.9061e-08 au
i 2.98692563245292 4.2608e-06 deg
node 322.2556483810177 6.3904e-05 deg
peri 260.1229926771106 6.8513e-05 deg
M 154.426442545871 2.602e-05 deg
tp 2458080.443746871178
(2017-Nov-22.94374687)
8.7084e-05 TDB
period 1212.358764728804
3.32
5.9701e-06
1.635e-08
d
yr
n .2969418050774181 1.4623e-09 deg/d
Q 2.428040612726634 7.9711e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1650  
   data-arc span      9905 days (27.12 yr)  
   first obs. used      1992-10-21  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:57  

Additional Information
 Earth MOID = 1.01621 au 
 Jupiter MOID = 2.55414 au 
 T_jup = 3.639 
[ 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 14.8   n/a MPO351179  
diameter diameter 2.938 km 0.526 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.270   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48903 (1998 MD32)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 MD32 = 1992 UE11 = 1999 XT168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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