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150263 (1999 RQ108)
Classification: Main-belt Asteroid          SPK-ID: 2150263
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090589894543224 5.9895e-08  
a 3.105154522290736 3.9918e-08 au
q 2.766509507990189 1.9895e-07 au
i 9.118942226135712 6.5839e-06 deg
node 300.7833933144295 3.9837e-05 deg
peri 84.07791650138455 5.2981e-05 deg
M 299.984918988616 4.0256e-05 deg
tp 2459533.681706421710
(2021-Nov-15.18170642)		 0.00022807 TDB
period 1998.587893084133
5.47		 3.8539e-05
1.055e-07		 d
yr
n .1801271794178958 3.4734e-09 deg/d
Q 3.443799536591282 4.4271e-08 au
   Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:49  

Additional Information
 Earth MOID = 1.78797 au 
 Jupiter MOID = 2.05971 au 
 T_jup = 3.192 
[ 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 15.08   n/a E2021B55  
diameter diameter 3.532 km 0.829 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150263 (1999 RQ108)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 1999 RQ108 = 2005 UK251 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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