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109116 (2001 QD42)
Classification: Main-belt Asteroid          SPK-ID: 2109116
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446523427309548 5.0713e-08  
a 2.406411510314256 1.2533e-08 au
q 2.058318447772563 1.2693e-07 au
i 1.724997288229083 5.3897e-06 deg
node 296.7223953465503 0.00021005 deg
peri 354.6270782541844 0.00021133 deg
M 286.4446741325216 2.3163e-05 deg
tp 2458879.089596476127
(2020-Jan-30.58959648)
8.7439e-05 TDB
period 1363.494125661248
3.73
1.0652e-05
2.916e-08
d
yr
n .2640275401446356 2.0627e-09 deg/d
Q 2.754504572855948 1.4346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      7008 days (19.19 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:16  

Additional Information
 Earth MOID = 1.04142 au 
 Jupiter MOID = 2.40822 au 
 T_jup = 3.507 
[ 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 16.5   n/a MPO432615  
diameter diameter 2.977 km 0.361 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109116 (2001 QD42)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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