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JPL Small-Body Database Browser
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172641 (2003 YJ46)
Classification: Main-belt Asteroid          SPK-ID: 2172641
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06696206741000318 5.859e-08  
a 2.568362295334632 1.9095e-08 au
q 2.396379446181124 1.5652e-07 au
i 12.66659639443088 6.5328e-06 deg
node 72.70620375581291 2.5205e-05 deg
peri 98.2804414368691 5.5051e-05 deg
M 290.300041766147 4.9834e-05 deg
tp 2459291.580339274996
(2021-Mar-18.08033927)
0.00020903 TDB
period 1503.428765156751
4.12
1.6766e-05
4.59e-08
d
yr
n .239452648734219 2.6704e-09 deg/d
Q 2.74034514448814 2.0374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2000-04-04  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58958  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:31:35  

Additional Information
 Earth MOID = 1.43767 au 
 Jupiter MOID = 2.30996 au 
 T_jup = 3.394 
[ 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 16.0   n/a MPO502963  
diameter diameter 3.705 km 1.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172641 (2003 YJ46)          Discovered 2003-Dec-17 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2003 YJ46 = 2005 JD28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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