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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521606187440881 4.1816e-08  
a 3.214965489821143 1.7024e-08 au
q 2.725774351649068 1.3402e-07 au
i 1.048601845191488 4.5595e-06 deg
node 20.03525574116923 0.00020846 deg
peri 309.4661691503291 0.00020881 deg
M 198.3789995515762 1.3625e-05 deg
tp 2459945.775039067425
(2023-Jan-01.27503907)
8.2575e-05 TDB
period 2105.537109163413
5.76
1.6724e-05
4.579e-08
d
yr
n .1709777512033677 1.358e-09 deg/d
Q 3.704156627993219 1.9614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2065  
   data-arc span      13766 days (37.69 yr)  
   first obs. used      1982-09-15  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:27:00  

Additional Information
 Earth MOID = 1.7149 au 
 Jupiter MOID = 1.64617 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 12.8   n/a MPO279639  
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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