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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06399882744007213 6.8694e-08  
a 3.111244767213721 2.4313e-08 au
q 2.912128750232983 2.0553e-07 au
i 11.22737048687325 5.3076e-06 deg
node 35.22780222523911 2.3755e-05 deg
peri 347.9367813997583 4.4277e-05 deg
M 131.7693205252222 3.6668e-05 deg
tp 2458266.811855687073
(2018-May-28.31185569)
0.00020344 TDB
period 2004.47062259911
5.49
2.3497e-05
6.433e-08
d
yr
n .1795985413511342 2.1053e-09 deg/d
Q 3.31036078419446 2.587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-08-27  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55641  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:11:11  

Additional Information
 Earth MOID = 1.91718 au 
 Jupiter MOID = 2.04713 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-August); 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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