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249960 (2001 UQ38)
Classification: Main-belt Asteroid          SPK-ID: 2249960
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08442902698414452 6.6601e-08  
a 2.770392998575367 2.6023e-08 au
q 2.536491413341963 1.9946e-07 au
i .8164634749518153 7.0314e-06 deg
node 141.2748760905857 0.00036162 deg
peri 235.7486793348786 0.00036554 deg
M 19.60460408443257 4.8613e-05 deg
tp 2458908.779571773404
(2020-Feb-29.27957177)
0.00022735 TDB
period 1684.265288876412
4.61
2.3731e-05
6.497e-08
d
yr
n .2137430500869368 3.0116e-09 deg/d
Q 3.004294583808772 2.822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      6611 days (18.10 yr)  
   first obs. used      2001-09-21  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:49:26  

Additional Information
 Earth MOID = 1.53791 au 
 Jupiter MOID = 2.41396 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 16.7   n/a MPO401885  
diameter diameter 2.794 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249960 (2001 UQ38)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2001 UQ38 = 2005 NP17 = 2006 WQ105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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