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120823 (1998 HZ107)
Classification: Main-belt Asteroid          SPK-ID: 2120823
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129506216783839 3.3101e-08  
a 2.599220979910876 1.5572e-08 au
q 2.305637354350444 8.6446e-08 au
i 12.48722531473276 5.2281e-06 deg
node 54.85485833595388 1.5756e-05 deg
peri 229.7391926025155 2.9399e-05 deg
M 34.32093980060345 2.3596e-05 deg
tp 2458854.578292360165
(2020-Jan-06.07829236)		 0.00010054 TDB
period 1530.605369652991
4.19		 1.3755e-05
3.766e-08		 d
yr
n .2352010564823883 2.1137e-09 deg/d
Q 2.892804605471308 1.7331e-08 au
   Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:15:29  

Additional Information
 Earth MOID = 1.31019 au 
 Jupiter MOID = 2.23947 au 
 T_jup = 3.373 
[ 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 15.2   n/a MPO385532  
diameter diameter 4.684 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120823 (1998 HZ107)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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