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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1662296595334547 1.154e-07  
a 2.854789153736923 3.1796e-08 au
q 2.380238524671435 3.2505e-07 au
i 13.44107635132265 7.7841e-06 deg
node 270.5469517954563 3.2626e-05 deg
peri 82.65278715261682 4.1532e-05 deg
M 9.805933079286211 2.5994e-05 deg
tp 2458952.510535005848
(2020-Apr-13.01053501)
0.0001268 TDB
period 1761.811676482719
4.82
2.9434e-05
8.059e-08
d
yr
n .2043351198118428 3.4137e-09 deg/d
Q 3.329339782802411 3.7081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6497 days (17.79 yr)  
   first obs. used      2000-08-03  
   last obs. used      2018-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53532  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:47:38  

Additional Information
 Earth MOID = 1.41997 au 
 Jupiter MOID = 2.23622 au 
 T_jup = 3.243 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2067-Aug-06 12:58 00:02 Hygie 0.021978973336808 0.0219613701401428 0.0219965899326257 4.92395573150537 4.92395537449495 2476234.040275327 1.62334221246407 1231.43812703593 129.654001093655 44.8930652393599 17975.7014151005 T 10 CATAB v2.0e-lin.ifort 2018-Oct-04 05:47:40 2018-Dec-17 18:50
2164-Apr-04 12:35 00:25 Iris 0.0391877558468248 0.0391436156119349 0.0392319138778516 3.00426424951269 3.00426420068293 2511539.024344876 25.4912311090283 2565.42044758061 183.347375814896 31.0643407231477 16598.0978672905 T 10 CATAB v2.0e-lin.ifort 2018-Oct-04 05:47:40 2018-Dec-17 18:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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