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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04262666313541314 4.5276e-08  
a 2.546177300631586 1.1984e-08 au
q 2.437642258554527 1.1711e-07 au
i 6.407059312214908 3.9538e-06 deg
node 75.93393390544547 4.2752e-05 deg
peri 136.3521827168087 6.3732e-05 deg
M 72.10904767380873 4.7647e-05 deg
tp 2458703.252199880759
(2019-Aug-07.75219988)
0.00019625 TDB
period 1483.991419869971
4.06
1.0477e-05
2.868e-08
d
yr
n .2425890036692689 1.7126e-09 deg/d
Q 2.654712342708644 1.2495e-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 = 1.43399 au 
 Jupiter MOID = 2.3179 au 
 T_jup = 3.433 
[ 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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