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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338911406030787 4.3221e-08  
a 2.599971148191099 1.1049e-08 au
q 2.251858045624696 1.1191e-07 au
i 14.85061594161439 4.9113e-06 deg
node 180.7358201537224 1.4049e-05 deg
peri 227.1315581426296 2.0511e-05 deg
M 117.5170858892507 1.4264e-05 deg
tp 2458500.638448738877
(2019-Jan-17.13844874)
6.0557e-05 TDB
period 1531.268045768181
4.19
9.7609e-06
2.672e-08
d
yr
n .2350992701734341 1.4986e-09 deg/d
Q 2.948084250757502 1.2528e-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 = 1.28363 au 
 Jupiter MOID = 2.55409 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456659.5 (2014-Jan-02.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318853956430741 4.2996e-08  
q 2.258060720793105 1.1107e-07 au
tp 2456967.796305541665
(2014-Nov-06.29630554)
6.267e-05 TDB
node 180.7732040253493 1.4058e-05 deg
peri 226.9940541689777 2.072e-05 deg
i 14.84001552344753 4.9078e-06 deg
  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
 Jupiter MOID = 2.55409 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.848649743563935E-15 -4.757788174125131E-15 -9.692389260785454E-13 1.539187641713314E-14 -2.576599266260462E-13 -1.97365924335543E-15
q -4.757788174125131E-15 1.233578890402077E-14 2.423927355475208E-12 -3.960607219468367E-14 6.42046092925488E-13 5.406804863735409E-15
tp -9.692389260785454E-13 2.423927355475208E-12 3.927469781857694E-9 -1.198443598595291E-11 9.641309718706895E-10 4.991689911194388E-12
node 1.539187641713314E-14 -3.960607219468367E-14 -1.198443598595291E-11 1.976410297053655E-10 -1.93622398522382E-10 1.344523435785922E-11
peri -2.576599266260462E-13 6.42046092925488E-13 9.641309718706895E-10 -1.93622398522382E-10 4.293275012932014E-10 -1.1893094910917E-11
i -1.97365924335543E-15 5.406804863735409E-15 4.991689911194388E-12 1.344523435785922E-11 -1.1893094910917E-11 2.408659779543954E-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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