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JPL Small-Body Database Browser
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20346 (1998 HZ114)
Classification: Main-belt Asteroid          SPK-ID: 2020346
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364663839986431 3.5569e-08  
a 2.391934405279071 9.8905e-09 au
q 2.065515766228691 8.4172e-08 au
i 11.17516804471109 4.224e-06 deg
node 123.4964624496446 1.6233e-05 deg
peri 144.7660604658857 2.0509e-05 deg
M 199.8577641579887 1.3438e-05 deg
tp 2459201.570913260566
(2020-Dec-18.07091326)
5.1616e-05 TDB
period 1351.208365713586
3.70
8.3808e-06
2.295e-08
d
yr
n .2664281905995161 1.6525e-09 deg/d
Q 2.71835304432945 1.124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      9420 days (25.79 yr)  
   first obs. used      1994-02-08  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:06:41  

Additional Information
 Earth MOID = 1.05883 au 
 Jupiter MOID = 2.42259 au 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO324497  
diameter diameter 8.367 km 0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20346 (1998 HZ114)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HZ114 = 1999 TB101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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