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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1525408920316371 2.1361e-08  
a 3.213399423225976 1.5027e-08 au
q 2.723224608753138 7.4378e-08 au
i 1.048729386190839 7.1628e-07 deg
node 20.03232860370962 9.7844e-06 deg
peri 309.6111440163857 1.1921e-05 deg
M 265.9679350559018 5.4565e-06 deg
tp 2459946.064873942604
(2023-Jan-01.56487394)
3.3727e-05 TDB
period 2103.9988299412
5.76
1.4759e-05
4.041e-08
d
yr
n .1711027567491855 1.2002e-09 deg/d
Q 3.703574237698815 1.7319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2465  
   data-arc span      14164 days (38.78 yr)  
   first obs. used      1982-09-15  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:46:51  

Additional Information
 Earth MOID = 1.71163 au 
 Jupiter MOID = 1.64704 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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