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79769 (1998 UH8)
Classification: Main-belt Asteroid          SPK-ID: 2079769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2487656216919008 4.9775e-08  
a 2.343513097592492 1.0981e-08 au
q 1.760527604926784 1.1607e-07 au
i 10.81927899473883 6.965e-06 deg
node 44.44593953731545 2.3028e-05 deg
peri 308.6003226184857 2.5974e-05 deg
M 41.1713601086804 1.5676e-05 deg
tp 2458850.637760596275
(2020-Jan-02.13776060)
5.6298e-05 TDB
period 1310.38678447658
3.59
9.2103e-06
2.522e-08
d
yr
n .2747280453868421 1.931e-09 deg/d
Q 2.926498590258201 1.3713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      8581 days (23.49 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:05  

Additional Information
 Earth MOID = .779847 au 
 Jupiter MOID = 2.56953 au 
 T_jup = 3.497 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO253838  
diameter diameter 4.833 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79769 (1998 UH8)          Discovered 1998-Oct-22 by Kagawa, T. at Gekko
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 UH8 = 1997 JP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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