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JPL Small-Body Database Browser
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100988 (1998 QU33)
Classification: Main-belt Asteroid          SPK-ID: 2100988
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914721774541272 4.0231e-08  
a 2.66915789711476 1.7253e-08 au
q 2.158088422585317 1.1135e-07 au
i 1.936043879003371 4.7613e-06 deg
node 280.469034507289 0.00015429 deg
peri 49.35380253594478 0.00015504 deg
M .1009308220853405 1.7934e-05 deg
tp 2459000.053438646648
(2020-May-30.55343865)		 7.9343e-05 TDB
period 1592.794786422814
4.36		 1.5444e-05
4.228e-08		 d
yr
n .2260178166507613 2.1914e-09 deg/d
Q 3.180227371644202 2.0557e-08 au
   Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      13757 days (37.66 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:14:13  

Additional Information
 Earth MOID = 1.14769 au 
 Jupiter MOID = 2.17792 au 
 T_jup = 3.355 
[ 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 15.3   n/a MPO291094  
diameter diameter 5.233 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100988 (1998 QU33)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QU33 = 1981 UE3 = 2003 WV103 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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