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146800 (2001 YW45)
Classification: Main-belt Asteroid          SPK-ID: 2146800
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663073854125748 1.0039e-07  
a 2.855275760666103 2.1052e-08 au
q 2.380422314277823 2.7691e-07 au
i 13.44074043412664 6.0247e-06 deg
node 270.5489358635477 2.2141e-05 deg
peri 82.70502019957817 3.223e-05 deg
M 50.6218621655897 1.8721e-05 deg
tp 2458952.697244779684
(2020-Apr-13.19724478)
9.1546e-05 TDB
period 1762.262154392926
4.82
1.949e-05
5.336e-08
d
yr
n .2042828866877726 2.2593e-09 deg/d
Q 3.330129207054383 2.4553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      7472 days (20.46 yr)  
   first obs. used      2000-08-03  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:30:42  

Additional Information
 Earth MOID = 1.41856 au 
 Jupiter MOID = 2.23587 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457940.5 (2017-Jul-06.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169084984780412 1.0037e-07  
q 2.371194137154956 2.7795e-07 au
tp 2457190.004114819497
(2015-Jun-16.50411482)
9.0011e-05 TDB
node 270.6392965004954 2.2205e-05 deg
peri 82.57443972446693 3.1793e-05 deg
i 13.42583366336059 6.0218e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      7472 days (20.46 yr)  
   first obs. used      2000-08-03  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:30:42  

Additional Information
 Jupiter MOID = 2.23587 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.007487102910893E-14 -2.78622966300487E-14 -8.903228808396751E-13 -6.003626033535529E-14 -8.977042051859442E-13 -3.428069967832493E-14
q -2.78622966300487E-14 7.725764639229742E-14 2.301758494957957E-12 1.674210808891888E-13 2.466816843031061E-12 9.536173665541299E-14
tp -8.903228808396751E-13 2.301758494957957E-12 8.101988179946925E-9 -8.690430079163555E-12 1.976517875434122E-9 -1.586867770420548E-11
node -6.003626033535529E-14 1.674210808891888E-13 -8.690430079163555E-12 4.930449895568664E-10 -4.768539678121937E-10 -4.898137109313041E-11
peri -8.977042051859442E-13 2.466816843031061E-12 1.976517875434122E-9 -4.768539678121937E-10 1.010775232503348E-9 4.633147308988265E-11
i -3.428069967832493E-14 9.536173665541299E-14 -1.586867770420548E-11 -4.898137109313041E-11 4.633147308988265E-11 3.626162008417853E-11

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 15.5   n/a MPO449801  
diameter diameter 2.503 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146800 (2001 YW45)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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