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JPL Small-Body Database Browser
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109950 (2001 SB46)
Classification: Main-belt Asteroid          SPK-ID: 2109950
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06374683777601041 7.1434e-08  
a 3.112174063850783 2.6288e-08 au
q 2.91378280867178 2.1734e-07 au
i 11.22729930522734 6.8427e-06 deg
node 35.24236442219492 2.4272e-05 deg
peri 348.1724867139345 4.8044e-05 deg
M 59.71889310937227 3.9617e-05 deg
tp 2458267.837770221127
(2018-May-29.33777022)
0.00022104 TDB
period 2005.368761625612
5.49
2.5409e-05
6.957e-08
d
yr
n .1795181050432706 2.2746e-09 deg/d
Q 3.310565319029786 2.7964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      6358 days (17.41 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58008  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:44:57  

Additional Information
 Earth MOID = 1.91813 au 
 Jupiter MOID = 2.0465 au 
 T_jup = 3.186 
[ 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 14.2   n/a MPO459516  
diameter diameter 8.197 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 27.866 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.072   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109950 (2001 SB46)          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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