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JPL Small-Body Database Browser
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5168 Jenner (1986 EJ)
Classification: Main-belt Asteroid          SPK-ID: 2005168
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 .2070310111633692 5.792e-08  
a 2.338654537146504 9.5338e-09 au
q 1.854480523559262 1.3813e-07 au
i 23.49358071998167 6.3381e-06 deg
node 339.0059434623134 9.7048e-06 deg
peri 201.5589055914833 1.5236e-05 deg
M 196.2591427256577 1.4377e-05 deg
tp 2459594.658200626624
(2022-Jan-15.15820063)
5.4071e-05 TDB
period 1306.313865617594
3.58
7.988e-06
2.187e-08
d
yr
n .2755846121481691 1.6852e-09 deg/d
Q 2.822828550733746 1.1508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1794  
   data-arc span      14897 days (40.79 yr)  
   first obs. used      1979-03-09  
   last obs. used      2019-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:31:23  

Additional Information
 Earth MOID = .872697 au 
 Jupiter MOID = 2.19326 au 
 T_jup = 3.428 
[ 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 12.7   n/a MPO452239  
diameter diameter 5.984 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.258 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Aymami, J.M. (2011) Minor Planet Bull. 38, 158-159.]
[Sergison, D. (2011) www.gothersobservatory.org.uk/lightcurves.htm]
[Stephens, R.D. (2011) Minor Planet Bull. 38, 165-166.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Stephens, R.D. (2018) Minor Planet Bull. 45, 299-301.]
geometric albedo albedo 0.493   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5168 Jenner (1986 EJ)          Discovered 1986-Mar-06 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 EJ = 1990 MZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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