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4504 Jenkinson (1989 YO)
Classification: Main-belt Asteroid          SPK-ID: 2004504
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338911986357522 3.886e-08  
a 2.599971146179687 1.0348e-08 au
q 2.251857892999318 9.8767e-08 au
i 14.85061522980351 4.5667e-06 deg
node 180.735809704514 1.203e-05 deg
peri 227.1315847516981 1.928e-05 deg
M 117.5170747714111 1.4236e-05 deg
tp 2458500.638496608917
(2019-Jan-17.13849661)
6.0488e-05 TDB
period 1531.268043991232
4.19
9.1416e-06
2.503e-08
d
yr
n .2350992704462534 1.4035e-09 deg/d
Q 2.948084399360055 1.1733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2035  
   data-arc span      24485 days (67.04 yr)  
   first obs. used      1953-04-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:08:47  

Additional Information
 Earth MOID = 1.28363 au 
 Jupiter MOID = 2.55409 au 
 T_jup = 3.356 
[ 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 13.2   n/a MPO358674  
diameter diameter 7.397 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.169   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4504 Jenkinson (1989 YO)          Discovered 1989-Dec-21 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 YO = 1976 SE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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