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109958 (2001 SD48)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109958
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082481815185628 4.4037e-08  
a 3.242706669813614 3.0364e-08 au
q 2.891689569608176 1.3861e-07 au
i 6.304386428141511 5.2821e-06 deg
node 65.35287195138933 5.2845e-05 deg
peri 221.2165142610149 5.9688e-05 deg
M 76.84973155175349 2.8406e-05 deg
tp 2458145.197769230717
(2018-Jan-26.69776923)
0.00016748 TDB
period 2132.848088956039
5.84
2.9958e-05
8.202e-08
d
yr
n .1687883923210905 2.3708e-09 deg/d
Q 3.593723770019052 3.3651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      6645 days (18.19 yr)  
   first obs. used      2001-09-16  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:18:57  

Additional Information
 Earth MOID = 1.87859 au 
 Jupiter MOID = 1.55195 au 
 T_jup = 3.165 
[ 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 14.6   n/a MPO453561  
diameter diameter 4.949 km 1.979 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109958 (2001 SD48)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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