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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08782594483943934 3.961e-08  
a 2.176661017915533 6.9686e-09 au
q 1.985493707421925 8.6619e-08 au
i 5.661649647570297 4.9442e-06 deg
node 168.1010214164439 2.9684e-05 deg
peri 214.4996475751917 3.8326e-05 deg
M 206.7961459091738 2.452e-05 deg
tp 2459699.673838608896
(2022-Apr-30.17383861)
8.0417e-05 TDB
period 1172.963845887759
3.21
5.6329e-06
1.542e-08
d
yr
n .3069148305483649 1.4739e-09 deg/d
Q 2.367828328409141 7.5806e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:17  

Additional Information
 Earth MOID = .988889 au 
 Jupiter MOID = 2.96024 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 16.03   n/a E2021B10  
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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