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46311 (2001 QF20)
Classification: Main-belt Asteroid          SPK-ID: 2046311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09455598631088974 5.1208e-08  
a 3.010129159563287 1.7251e-08 au
q 2.72550342795761 1.5002e-07 au
i 1.014576087272707 4.7359e-06 deg
node 186.9258647655737 0.00020945 deg
peri 183.0173006065609 0.00021038 deg
M 192.4018428707143 2.1206e-05 deg
tp 2459888.561129296289
(2022-Nov-05.06112930)
0.00011563 TDB
period 1907.550846755701
5.22
1.6399e-05
4.49e-08
d
yr
n .1887236718288669 1.6224e-09 deg/d
Q 3.294754891168963 1.8883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1333  
   data-arc span      9516 days (26.05 yr)  
   first obs. used      1994-04-06  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:32:09  

Additional Information
 Earth MOID = 1.72487 au 
 Jupiter MOID = 2.16869 au 
 T_jup = 3.243 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO436106  
diameter diameter 4.010 km 0.714 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46311 (2001 QF20)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QF20 = 1999 HD6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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