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JPL Small-Body Database Browser
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46389 (2001 YJ45)
Classification: Main-belt Asteroid          SPK-ID: 2046389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04176797983912788 4.532e-08  
a 2.544229294087665 1.1876e-08 au
q 2.437961976226093 1.1694e-07 au
i 6.409610044614009 3.956e-06 deg
node 75.93812782040956 4.2733e-05 deg
peri 136.0629361793145 6.4399e-05 deg
M 335.328862486335 4.8483e-05 deg
tp 2458702.082634815562
(2019-Aug-06.58263482)
0.00019968 TDB
period 1482.288707334503
4.06
1.0378e-05
2.841e-08
d
yr
n .2428676668847887 1.7004e-09 deg/d
Q 2.650496611949238 1.2372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      10217 days (27.97 yr)  
   first obs. used      1991-05-13  
   last obs. used      2019-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:33:33  

Additional Information
 Earth MOID = 1.43446 au 
 Jupiter MOID = 2.32295 au 
 T_jup = 3.434 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO324725  
diameter diameter 2.944 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46389 (2001 YJ45)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 YJ45 = 1999 JG67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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