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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338045707850796 4.32e-08  
a 2.600597078666274 1.1016e-08 au
q 2.252625302770401 1.1186e-07 au
i 14.84862411833086 4.9107e-06 deg
node 180.7447655596603 1.4051e-05 deg
peri 227.2458071775313 2.0528e-05 deg
M 23.38642647933506 1.4258e-05 deg
tp 2458500.989388061943
(2019-Jan-17.48938806)
6.0659e-05 TDB
period 1531.821047108477
4.19
9.7329e-06
2.665e-08
d
yr
n .235014397197081 1.4932e-09 deg/d
Q 2.948568854562147 1.249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1796  
   data-arc span      24342 days (66.64 yr)  
   first obs. used      1953-04-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:45:21  

Additional Information
 Earth MOID = 1.2839 au 
 Jupiter MOID = 2.55136 au 
 T_jup = 3.355 
[ 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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