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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521606199106905 4.1876e-08  
a 3.214965490528771 1.7143e-08 au
q 2.725774348498436 1.3415e-07 au
i 1.048601456078121 4.5874e-06 deg
node 20.03523689868921 0.00020934 deg
peri 309.4661881457263 0.0002097 deg
M 198.3789992349828 1.369e-05 deg
tp 2459945.775041231178
(2023-Jan-01.27504123)
8.2923e-05 TDB
period 2105.537109858569
5.76
1.6841e-05
4.611e-08
d
yr
n .1709777511469183 1.3675e-09 deg/d
Q 3.704156632559105 1.9752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2054  
   data-arc span      13734 days (37.60 yr)  
   first obs. used      1982-09-15  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:35:54  

Additional Information
 Earth MOID = 1.7149 au 
 Jupiter MOID = 1.64617 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456278.5 (2012-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455917033933912 4.1999e-08  
q 2.758923029010916 1.3455e-07 au
tp 2455730.852126822052
(2011-Jun-18.35212682)
8.0016e-05 TDB
node 20.55235410707395 0.00020867 deg
peri 309.5723647024477 0.00020907 deg
i 1.049729096174921 4.578e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2054  
   data-arc span      13734 days (37.60 yr)  
   first obs. used      1982-09-15  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:35:54  

Additional Information
 Jupiter MOID = 1.64617 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.763892437867854E-15 -5.615528533926841E-15 1.076153415010794E-12 3.843857698934792E-15 1.426461755572988E-13 8.574353047608239E-17
q -5.615528533926841E-15 1.810315439452962E-14 -3.563306504601646E-12 1.103573749684323E-15 -4.828224605086379E-13 -6.786227367917645E-16
tp 1.076153415010794E-12 -3.563306504601646E-12 6.40258717617181E-9 7.305697830172145E-12 1.052057031259282E-9 -6.599738309860776E-13
node 3.843857698934792E-15 1.103573749684323E-15 7.305697830172145E-12 4.354282959221638E-8 -4.353383539676161E-8 -2.081314264534543E-10
peri 1.426461755572988E-13 -4.828224605086379E-13 1.052057031259282E-9 -4.353383539676161E-8 4.370925936304681E-8 2.079888588469471E-10
i 8.574353047608239E-17 -6.786227367917645E-16 -6.599738309860776E-13 -2.081314264534543E-10 2.079888588469471E-10 2.095785812378904E-11

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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