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11717 (1998 HU94)
Classification: Outer Main-belt Asteroid          SPK-ID: 2011717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523822444745221 2.1436e-08  
a 3.214172418228171 1.5817e-08 au
q 2.72438961101046 7.506e-08 au
i 1.048709423237022 7.1644e-07 deg
node 20.03229490574422 9.7934e-06 deg
peri 309.5321893361821 1.196e-05 deg
M 232.5130930660426 5.3763e-06 deg
tp 2459945.858597879967
(2023-Jan-01.35859788)
3.3995e-05 TDB
period 2104.758062534155
5.76
1.5536e-05
4.254e-08
d
yr
n .1710410362160844 1.2625e-09 deg/d
Q 3.703955225445882 1.8227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2180  
   data-arc span      14061 days (38.50 yr)  
   first obs. used      1982-09-15  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:55:39  

Additional Information
 Earth MOID = 1.71159 au 
 Jupiter MOID = 1.64674 au 
 T_jup = 3.172 
[ 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 12.90   n/a E2021B10  
diameter diameter 14.820 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11717 (1998 HU94)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HU94 = 1982 RA2 = 1989 YK9 = 1992 GZ1 = 1992 HV5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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