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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1662296204425649 1.0142e-07  
a 2.854789137565132 2.2411e-08 au
q 2.380238622784123 2.807e-07 au
i 13.44107229512412 6.26e-06 deg
node 270.5469852442586 2.6043e-05 deg
peri 82.65277337419931 3.5051e-05 deg
M 9.805925432291255 1.9514e-05 deg
tp 2458952.510572837415
(2020-Apr-13.01057284)
9.5433e-05 TDB
period 1761.811661512269
4.82
2.0746e-05
5.68e-08
d
yr
n .2043351215481173 2.4061e-09 deg/d
Q 3.32933965234614 2.6136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7410 days (20.29 yr)  
   first obs. used      2000-08-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:07:13  

Additional Information
 Earth MOID = 1.41997 au 
 Jupiter MOID = 2.23622 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457477.5 (2016-Mar-30.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693606100977464 1.013e-07  
q 2.370446404387966 2.8142e-07 au
tp 2457190.380281011771
(2015-Jun-16.88028101)
9.1889e-05 TDB
node 270.6444129846566 2.6115e-05 deg
peri 82.61221164292959 3.4625e-05 deg
i 13.42618658797027 6.2555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7410 days (20.29 yr)  
   first obs. used      2000-08-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:07:13  

Additional Information
 Jupiter MOID = 2.23622 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.02613466232099E-14 -2.846027892357006E-14 -1.129624329530241E-12 -1.186436365143433E-13 -8.861696697124417E-13 -4.080033748025661E-14
q -2.846027892357006E-14 7.919452492000023E-14 3.078708775221222E-12 3.280683439778021E-13 2.455368138992132E-12 1.136501057193425E-13
tp -1.129624329530241E-12 3.078708775221222E-12 8.443645388817687E-9 -2.371812209503254E-11 2.053924387315198E-9 -1.753982819428104E-11
node -1.186436365143433E-13 3.280683439778021E-13 -2.371812209503254E-11 6.819803836003431E-10 -6.597021100213791E-10 -2.65590238559037E-11
peri -8.861696697124417E-13 2.455368138992132E-12 2.053924387315198E-9 -6.597021100213791E-10 1.198879471502001E-9 2.471537596407036E-11
i -4.080033748025661E-14 1.136501057193425E-13 -1.753982819428104E-11 -2.65590238559037E-11 2.471537596407036E-11 3.913149548823011E-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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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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