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109230 (2001 QD93)
Classification: Main-belt Asteroid          SPK-ID: 2109230
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 .07881405075541713 4.48e-08  
a 2.676157326401425 1.3477e-08 au
q 2.465238527048942 1.1891e-07 au
i 13.95277694746278 5.1465e-06 deg
node 257.5283645414173 1.8324e-05 deg
peri 156.6858797243625 4.1541e-05 deg
M 49.42521632813693 3.4378e-05 deg
tp 2458780.960855869108
(2019-Oct-24.46085587)
0.00015273 TDB
period 1599.064157097644
4.38
1.2079e-05
3.307e-08
d
yr
n .2251316799279725 1.7006e-09 deg/d
Q 2.887076125753908 1.4539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2001-07-29  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:21:51  

Additional Information
 Earth MOID = 1.48339 au 
 Jupiter MOID = 2.41494 au 
 T_jup = 3.332 
[ 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 14.9   n/a MPO502754  
diameter diameter 3.179 km 0.604 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109230 (2001 QD93)          Discovered 2001-Aug-22 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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