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109603 (2001 QD283)
Classification: Main-belt Asteroid          SPK-ID: 2109603
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094090518113126 6.5474e-08  
a 2.366529013769398 1.2299e-08 au
q 1.870956416911988 1.5797e-07 au
i 25.78937815642214 7.0237e-06 deg
node 292.4309183163923 1.2696e-05 deg
peri 162.2973153768546 1.908e-05 deg
M 308.7036515411049 1.5288e-05 deg
tp 2459189.974219579578
(2020-Dec-06.47421958)
5.703e-05 TDB
period 1329.73829712863
3.64
1.0366e-05
2.838e-08
d
yr
n .27072996301405 2.1106e-09 deg/d
Q 2.862101610626809 1.4875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      8019 days (21.95 yr)  
   first obs. used      1998-11-17  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:11:00  

Additional Information
 Earth MOID = .896242 au 
 Jupiter MOID = 2.32295 au 
 T_jup = 3.386 
[ 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 14.5   n/a MPO493618  
diameter diameter 3.439 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109603 (2001 QD283)          Discovered 2001-Aug-18 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QD283 = 1999 EU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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