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46714 (1997 HF7)
Classification: Main-belt Asteroid          SPK-ID: 2046714
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1775550479376923 3.3999e-08  
a 2.328043680914175 8.4424e-09 au
q 1.914687773548417 8.038e-08 au
i 1.459599433569697 4.1033e-06 deg
node 54.66917810758184 0.0001666 deg
peri 10.64046250228432 0.00016709 deg
M 323.237237689678 1.4834e-05 deg
tp 2459132.992333605694
(2020-Oct-10.49233361)
5.3819e-05 TDB
period 1297.433519696575
3.55
7.0575e-06
1.932e-08
d
yr
n .2774708642367985 1.5093e-09 deg/d
Q 2.741399588279933 9.9414e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1409  
   data-arc span      8130 days (22.26 yr)  
   first obs. used      1997-04-02  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:33:26  

Additional Information
 Earth MOID = .928285 au 
 Jupiter MOID = 2.55969 au 
 T_jup = 3.551 
[ 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 14.9   n/a MPO344651  
diameter diameter 2.078 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.492   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46714 (1997 HF7)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 HF7 = 1998 QH13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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