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46605 (1993 HQ1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2046605
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06992101675136003 7.8774e-08  
a 1.976753444777709 1.1361e-08 au
q 1.838536834052098 1.6175e-07 au
i 19.10844911512255 7.2093e-06 deg
node 6.319646780956276 2.0065e-05 deg
peri 199.4027369769496 5.6882e-05 deg
M 127.5003644291728 5.4026e-05 deg
tp 2457240.969193767382
(2015-Aug-06.46919377)
0.00015196 JED
period 1015.142904282773
2.78
8.7517e-06
2.396e-08
d
yr
n .3546298737657533 3.0573e-09 deg/d
Q 2.11497005550332 1.2156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      13814 days (37.82 yr)  
   first obs. used      1977-07-16  
   last obs. used      2015-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59138  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 22:51:25  

Additional Information
 Earth MOID = .842263 au 
 Jupiter MOID = 2.85176 au 
 T_jup = 3.794 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0 mag n/a MPO324727  

46605 (1993 HQ1)          Discovered 1993-Apr-18 by McNaught, R. H. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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