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JPL Small-Body Database Browser
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392376 (2010 HK91)
Classification: Outer Main-belt Asteroid          SPK-ID: 2392376
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1245359634652417 9.2752e-08  
a 3.231513464886136 9.105e-08 au
q 2.82907382208564 3.0838e-07 au
i 11.03599613345175 1.0186e-05 deg
node 348.5704789709933 3.756e-05 deg
peri 327.4034149504761 4.7454e-05 deg
M 175.3918712327855 2.7369e-05 deg
tp 2457566.752809049879
(2016-Jun-27.25280905)
0.00016078 TDB
period 2121.814347074932
5.81
8.9676e-05
2.455e-07
d
yr
n .1696661164047104 7.1707e-09 deg/d
Q 3.633953107686632 1.0239e-07 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4853 days (13.29 yr)  
   first obs. used      2005-10-23  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:28:12  

Additional Information
 Earth MOID = 1.82283 au 
 Jupiter MOID = 1.74627 au 
 T_jup = 3.145 
[ 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 15.7   n/a MPO434453  
diameter diameter 4.589 km 0.703 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392376 (2010 HK91)          Discovered 2008-Feb-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2010 HK91 = 2011 UB264 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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