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146816 (2001 YL105)
Classification: Main-belt Asteroid          SPK-ID: 2146816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096338777439891 4.4598e-08  
a 2.766782069532576 1.3552e-08 au
q 2.46344902237718 1.2293e-07 au
i 2.320574791712592 3.9424e-06 deg
node 147.8147479852064 0.00011449 deg
peri 254.0001959244493 0.00011674 deg
M 56.45028581699033 2.0028e-05 deg
tp 2458736.912688753007
(2019-Sep-10.41268875)
9.3594e-05 TDB
period 1680.973456123002
4.60
1.235e-05
3.381e-08
d
yr
n .2141616208683653 1.5735e-09 deg/d
Q 3.070115116687972 1.5038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      10359 days (28.36 yr)  
   first obs. used      1991-10-05  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:23:35  

Additional Information
 Earth MOID = 1.47301 au 
 Jupiter MOID = 2.30246 au 
 T_jup = 3.329 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO453934  

146816 (2001 YL105)          Discovered 2001-Dec-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 YL105 = 2000 QA20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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