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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457083.5 (2015-Mar-02.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317671987595237 3.8626e-08  
q 2.257998893799737 9.7876e-08 au
tp 2456968.115168150907
(2014-Nov-06.61516815)
6.2715e-05 TDB
node 180.7711790321258 1.2036e-05 deg
peri 227.0906344534629 1.9518e-05 deg
i 14.84142687022494 4.565e-06 deg
  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
 Jupiter MOID = 2.55409 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.49196405467874E-15 -3.766011985108154E-15 -1.002797408015282E-12 1.227462976897068E-14 -2.831627934116193E-13 -7.605827770021846E-16
q -3.766011985108154E-15 9.579663921598074E-15 2.510569387207616E-12 -3.111881471436617E-14 7.114747483936356E-13 2.02179148796478E-15
tp -1.002797408015282E-12 2.510569387207616E-12 3.933185871199225E-9 -1.666147925357558E-11 9.685528475115553E-10 3.058023372844847E-12
node 1.227462976897068E-14 -3.111881471436617E-14 -1.666147925357558E-11 1.448729381359679E-10 -1.439024301151162E-10 9.765858183168362E-13
peri -2.831627934116193E-13 7.114747483936356E-13 9.685528475115553E-10 -1.439024301151162E-10 3.80966713695212E-10 -2.577937698592131E-13
i -7.605827770021846E-16 2.02179148796478E-15 3.058023372844847E-12 9.765858183168362E-13 -2.577937698592131E-13 2.083936467691164E-11

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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