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5579 Uhlherr (1988 JL)
Classification: Inner Main-belt Asteroid          SPK-ID: 2005579
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09771100053031941 1.9261e-08  
a 1.948890992825704 5.5307e-09 au
q 1.758462903992177 3.7454e-08 au
i 23.54609915778212 6.9711e-07 deg
node 80.87524542826674 3.5574e-06 deg
peri 247.9516809017549 1.1932e-05 deg
M 259.9752848756078 1.327e-05 deg
tp 2459476.611548702735
(2021-Sep-19.11154870)
3.678e-05 TDB
period 993.7559673063708
2.72
4.2302e-06
1.158e-08
d
yr
n .3622619756194264 1.5421e-09 deg/d
Q 2.139319081659231 6.0711e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1790  
   data-arc span      12482 days (34.17 yr)  
   first obs. used      1986-12-02  
   last obs. used      2021-02-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:42:41  

Additional Information
 Earth MOID = .814874 au 
 Jupiter MOID = 3.09092 au 
 T_jup = 3.787 
[ 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 14.17   n/a E2021B10  
diameter diameter 2.654 km 0.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.550 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2009) Minor Planet Bull. 36, 70-73.]
[Warner, B.D. (2012) Minor Planet Bull. 39, 158-167.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 167-172.]
[Stephens, R.D. (2017) Minor Planet Bull. 44, 120-122.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 380-386.]
geometric albedo albedo 1.000   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5579 Uhlherr (1988 JL)          Discovered 1988-May-11 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 JL = 1986 XA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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