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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08769994852353359 3.9583e-08  
a 2.176914313660781 6.9862e-09 au
q 1.985999040412587 8.6556e-08 au
i 5.661344227471447 4.944e-06 deg
node 168.1000690995523 2.9685e-05 deg
peri 214.5422019485047 3.8358e-05 deg
M 145.3706351801287 2.4511e-05 deg
tp 2458526.765933126722
(2019-Feb-12.26593313)
7.9476e-05 TDB
period 1173.1685966912
3.21
5.6474e-06
1.546e-08
d
yr
n .3068612653077677 1.4772e-09 deg/d
Q 2.367829586908975 7.5989e-09 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      8086 days (22.14 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:45:35  

Additional Information
 Earth MOID = .990809 au 
 Jupiter MOID = 2.96061 au 
 T_jup = 3.673 
[ 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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