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46770 (1998 HY5)
Classification: Main-belt Asteroid          SPK-ID: 2046770
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08751405402853196 5.3522e-08  
a 2.177146109237398 8.6601e-09 au
q 1.986615227005589 1.2e-07 au
i 5.660793736505707 5.5698e-06 deg
node 168.1077141781041 3.3952e-05 deg
peri 214.6277433046938 4.1608e-05 deg
M 22.56350925050306 2.4982e-05 deg
tp 2458526.958254246041
(2019-Feb-12.45825425)
8.1323e-05 TDB
period 1173.35597834078
3.21
7.001e-06
1.917e-08
d
yr
n .306812260426771 1.8306e-09 deg/d
Q 2.367676991469208 9.418e-09 au
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1998-04-21  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61206  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:12  

Additional Information
 Earth MOID = .990672 au 
 Jupiter MOID = 2.9614 au 
 T_jup = 3.672 
[ 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 16.0   n/a MPO351164  
diameter diameter 1.705 km 0.445 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46770 (1998 HY5)          Discovered 1998-Apr-21 by ODAS at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HY5 = 1999 TQ92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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