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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093400228012376 4.5316e-08  
a 2.76600837520529 1.4153e-08 au
q 2.463572956391929 1.256e-07 au
i 2.32055432744442 4.4127e-06 deg
node 147.8231828063406 0.00011695 deg
peri 254.0393983855918 0.00011928 deg
M 330.7376535171383 2.1089e-05 deg
tp 2458737.079434611726
(2019-Sep-10.57943461)
9.8473e-05 TDB
period 1680.268412139076
4.60
1.2896e-05
3.531e-08
d
yr
n .2142514835125061 1.6444e-09 deg/d
Q 3.06844379401865 1.5701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      10287 days (28.16 yr)  
   first obs. used      1991-10-05  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:38:42  

Additional Information
 Earth MOID = 1.47257 au 
 Jupiter MOID = 2.30347 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457072.5 (2015-Feb-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .107380065001418 4.5205e-08  
q 2.469389667116693 1.2497e-07 au
tp 2457049.586300310902
(2015-Jan-27.08630031)
0.00010177 TDB
node 147.8618839944005 0.00011678 deg
peri 252.7777732256886 0.00011924 deg
i 2.320436248514602 4.4176e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      10287 days (28.16 yr)  
   first obs. used      1991-10-05  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:38:42  

Additional Information
 Jupiter MOID = 2.30347 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.043488456787615E-15 -5.620284030273358E-15 -1.065123939916E-12 4.35974275618206E-15 -2.828793211192115E-13 -1.459983080781278E-15
q -5.620284030273358E-15 1.561789654185827E-14 2.858104432508256E-12 -1.09599791302972E-14 7.610002892142711E-13 4.047421978974327E-15
tp -1.065123939916E-12 2.858104432508256E-12 1.035728538009455E-8 -2.752670541470981E-11 2.477062444937701E-9 -1.78249328692222E-13
node 4.35974275618206E-15 -1.09599791302972E-14 -2.752670541470981E-11 1.363785391511054E-8 -1.363311245487959E-8 1.029796696240996E-10
peri -2.828793211192115E-13 7.610002892142711E-13 2.477062444937701E-9 -1.363311245487959E-8 1.421828034177436E-8 -1.029158483168813E-10
i -1.459983080781278E-15 4.047421978974327E-15 -1.78249328692222E-13 1.029796696240996E-10 -1.029158483168813E-10 1.95150693413777E-11

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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