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JPL Small-Body Database Browser
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46322 (2001 QD99)
Classification: Main-belt Asteroid          SPK-ID: 2046322
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1573068675738055 3.9198e-08  
a 2.792677731947963 1.3942e-08 au
q 2.35337034579211 1.1373e-07 au
i 3.847775755094231 4.1933e-06 deg
node 332.2639703411271 5.5877e-05 deg
peri 12.31674730317158 5.7224e-05 deg
M 309.933764382375 1.1982e-05 deg
tp 2458837.567542712800
(2019-Dec-20.06754271)		 5.6914e-05 TDB
period 1704.628165544843
4.67		 1.2765e-05
3.495e-08		 d
yr
n .2111897522735902 1.5815e-09 deg/d
Q 3.231985118103816 1.6135e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1494  
   data-arc span      15443 days (42.28 yr)  
   first obs. used      1977-07-21  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51198  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:26:35  

Additional Information
 Earth MOID = 1.34504 au 
 Jupiter MOID = 2.16925 au 
 T_jup = 3.307 
[ 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 14.0   n/a MPO432021  
diameter diameter 6.237 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46322 (2001 QD99)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QD99 = 1996 RX2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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