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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914721764961967 3.8717e-08  
a 2.669157899283572 1.2741e-08 au
q 2.15808842689573 1.0454e-07 au
i 1.936045350124739 4.2783e-06 deg
node 280.4690053221737 0.00015048 deg
peri 49.35383337691791 0.00015103 deg
M .1009284037706865 1.3473e-05 deg
tp 2459000.053449345767
(2020-May-30.55344935)
5.961e-05 TDB
period 1592.794788364142
4.36
1.1405e-05
3.123e-08
d
yr
n .2260178163752866 1.6184e-09 deg/d
Q 3.180227371671414 1.5181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      14206 days (38.89 yr)  
   first obs. used      1981-10-30  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:37:12  

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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