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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663073864205696 1.0007e-07  
a 2.855275758158735 2.0969e-08 au
q 2.380422309309345 2.7583e-07 au
i 13.44074049279591 6.0242e-06 deg
node 270.548940936794 2.1313e-05 deg
peri 82.70501473824338 3.1645e-05 deg
M 50.62186308927302 1.8695e-05 deg
tp 2458952.697240584508
(2020-Apr-13.19724058)
9.1432e-05 TDB
period 1762.262152071622
4.82
1.9413e-05
5.315e-08
d
yr
n .20428288695686 2.2504e-09 deg/d
Q 3.330129207008124 2.4457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      7498 days (20.53 yr)  
   first obs. used      2000-08-03  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:02:43  

Additional Information
 Earth MOID = 1.41856 au 
 Jupiter MOID = 2.23587 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

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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 14 CATAB v2.0f-lin.ifort 2021-Apr-13 19:02:44 2021-Apr-13 19:02
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 14 CATAB v2.0f-lin.ifort 2021-Apr-13 19:02:44 2021-Apr-13 19:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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