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146656 (2001 US105)
Classification: Main-belt Asteroid          SPK-ID: 2146656
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0767869393774737 5.495e-08  
a 2.777402850683171 1.9235e-08 au
q 2.56413458636094 1.5549e-07 au
i 1.61545552549314 5.0824e-06 deg
node 114.4060523379365 0.00020131 deg
peri 221.1523005582386 0.00020354 deg
M 58.59760897340291 2.9074e-05 deg
tp 2458725.309056742862
(2019-Aug-29.80905674)
0.00013676 TDB
period 1690.661808701723
4.63
1.7563e-05
4.808e-08
d
yr
n .2129343657892455 2.212e-09 deg/d
Q 2.990671115005402 2.0712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:06:23  

Additional Information
 Earth MOID = 1.55444 au 
 Jupiter MOID = 2.28111 au 
 T_jup = 3.330 
[ 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 16.2   n/a MPO449800  
diameter diameter 3.355 km 1.475 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146656 (2001 US105)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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