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101389 (1998 UQ33)
Classification: Main-belt Asteroid          SPK-ID: 2101389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2629031299533844 4.8317e-08  
a 2.541447653050423 9.5404e-09 au
q 1.873293110450784 1.2596e-07 au
i 6.331938438806434 3.5194e-06 deg
node 70.14106735082873 4.7825e-05 deg
peri 299.6040259359253 4.9026e-05 deg
M 173.0157692260127 1.3255e-05 deg
tp 2458489.280971901415
(2019-Jan-05.78097190)
5.1704e-05 TDB
period 1479.858461808898
4.05
8.3329e-06
2.281e-08
d
yr
n .2432665077712605 1.3698e-09 deg/d
Q 3.209602195650063 1.2049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      11096 days (30.38 yr)  
   first obs. used      1990-10-20  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58332  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:33  

Additional Information
 Earth MOID = .881608 au 
 Jupiter MOID = 2.27479 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457101.5 (2015-Mar-20.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2624917956409971 4.9055e-08  
q 1.874438844297258 1.2822e-07 au
tp 2457004.272816886859
(2014-Dec-12.77281689)
4.6354e-05 TDB
node 70.36632284036351 4.8005e-05 deg
peri 298.6886977171096 4.9176e-05 deg
i 6.32207141937938 3.515e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      11096 days (30.38 yr)  
   first obs. used      1990-10-20  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58332  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:33  

Additional Information
 Jupiter MOID = 2.27479 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.406354753535513E-15 -6.281814836450382E-15 -1.675764220356401E-12 7.272665640565324E-15 -3.92402703224495E-13 -6.376459012921077E-15
q -6.281814836450382E-15 1.64406431275857E-14 4.470955801390049E-12 -1.760571961633962E-14 1.046200581005626E-12 1.698586713379028E-14
tp -1.675764220356401E-12 4.470955801390049E-12 2.148724862121401E-9 -1.86278699957803E-12 5.330075692252668E-10 6.487806642460198E-12
node 7.272665640565324E-15 -1.760571961633962E-14 -1.86278699957803E-12 2.304437724761553E-9 -2.291296524173084E-9 6.31942234165481E-11
peri -3.92402703224495E-13 1.046200581005626E-12 5.330075692252668E-10 -2.291296524173084E-9 2.418316538958634E-9 -6.126308437288324E-11
i -6.376459012921077E-15 1.698586713379028E-14 6.487806642460198E-12 6.31942234165481E-11 -6.126308437288324E-11 1.235539583834233E-11

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 15.76   n/a E2021B55  

101389 (1998 UQ33)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 UQ33 = 1990 UR5 = 1990 UV9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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