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85619 (1998 HQ106)
Classification: Main-belt Asteroid          SPK-ID: 2085619
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2598733719470774 4.0515e-08  
a 2.618663696418706 1.6103e-08 au
q 1.938142731634979 1.0915e-07 au
i 14.01173031509177 5.3689e-06 deg
node 136.3201554253602 2.7565e-05 deg
peri 154.1996755966596 3.0943e-05 deg
M 19.73113206465555 1.5711e-05 deg
tp 2458915.666473528463
(2020-Mar-07.16647353)
6.7151e-05 TDB
period 1547.811318158464
4.24
1.4277e-05
3.909e-08
d
yr
n .2325864889192801 2.1453e-09 deg/d
Q 3.299184661202434 2.0287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      8135 days (22.27 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:56:33  

Additional Information
 Earth MOID = .931603 au 
 Jupiter MOID = 1.982 au 
 T_jup = 3.316 
[ 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 15.5   n/a MPO432399  
diameter diameter 3.997 km 1.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85619 (1998 HQ106)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 HQ106 = 2002 FV28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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