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JPL Small-Body Database Browser
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249854 (2001 QG53)
Classification: Main-belt Asteroid          SPK-ID: 2249854
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750123020103815 7.3428e-08  
a 2.681222961303603 2.6533e-08 au
q 2.211975958642767 1.8894e-07 au
i 12.88514900800942 4.9693e-06 deg
node 151.025203725677 3.7171e-05 deg
peri 211.4778714893008 4.5651e-05 deg
M 343.7867909997641 2.6562e-05 deg
tp 2458672.721133794446
(2019-Jul-08.22113379)		 0.00011851 TDB
period 1603.606551030239
4.39		 2.3804e-05
6.517e-08		 d
yr
n .2244939694021065 3.3323e-09 deg/d
Q 3.150469963964439 3.1177e-08 au
   Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2000-05-10  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:48:59  

Additional Information
 Earth MOID = 1.21693 au 
 Jupiter MOID = 2.30948 au 
 T_jup = 3.319 
[ 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 16.4   n/a MPO450108  
diameter diameter 3.217 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249854 (2001 QG53)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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