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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367545566228225 8.5156e-09  
a 2.391669260972982 8.6014e-09 au
q 2.064597591600188 2.4391e-08 au
i 11.176356378649 5.5543e-07 deg
node 123.4971944487092 1.7556e-06 deg
peri 144.8901478517001 7.7477e-06 deg
M 359.6343901194841 9.4083e-06 deg
tp 2459201.872036082095
(2020-Dec-18.37203608)		 3.5309e-05 TDB
period 1350.983701143874
3.70		 7.288e-06
1.995e-08		 d
yr
n .2664724968148685 1.4375e-09 deg/d
Q 2.718740930345775 9.7777e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2002  
   data-arc span      9681 days (26.51 yr)  
   first obs. used      1994-02-08  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:17:32  

Additional Information
 Earth MOID = 1.05654 au 
 Jupiter MOID = 2.42226 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 14.28   n/a E2021B10  
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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