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101392 (1998 UW34)
Classification: Main-belt Asteroid          SPK-ID: 2101392
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607697769643877 3.6061e-08  
a 2.415247771518658 9.8562e-09 au
q 2.026948925977869 8.9418e-08 au
i 3.99289128580071 3.8943e-06 deg
node 226.7359056531536 5.5884e-05 deg
peri 216.7025738490933 5.7337e-05 deg
M 231.2142187739368 1.3561e-05 deg
tp 2459490.963144267954
(2021-Oct-03.46314427)		 5.3127e-05 TDB
period 1371.011071684445
3.75		 8.3923e-06
2.298e-08		 d
yr
n .262579936395188 1.6073e-09 deg/d
Q 2.803546617059447 1.1441e-08 au
   Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1998-10-10  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:52  

Additional Information
 Earth MOID = 1.04452 au 
 Jupiter MOID = 2.42501 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457680.5 (2016-Oct-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619142406422463 3.6147e-08  
q 2.022875620806487 8.9793e-08 au
tp 2458118.189012448947
(2017-Dec-30.68901245)		 4.8643e-05 TDB
node 226.8205750330175 5.5755e-05 deg
peri 216.1543936444873 5.7189e-05 deg
i 3.998196067721917 3.9002e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1998-10-10  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:52  

Additional Information
 Jupiter MOID = 2.42501 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.306603860592159E-15 -3.232997585130808E-15 -2.565233002904707E-13 1.630112125706416E-14 -4.881351267322307E-14 -2.584032613101226E-16
q -3.232997585130808E-15 8.062839489577386E-15 7.844896506580079E-13 -4.021002651832423E-14 1.533782380437847E-13 9.514245630469056E-16
tp -2.565233002904707E-13 7.844896506580079E-13 2.366166464598045E-9 -9.826060724004467E-12 6.320211819924942E-10 2.095221125833338E-12
node 1.630112125706416E-14 -4.021002651832423E-14 -9.826060724004467E-12 3.108609813165476E-9 -3.102900149555064E-9 -5.082720514815165E-12
peri -4.881351267322307E-14 1.533782380437847E-13 6.320211819924942E-10 -3.102900149555064E-9 3.270607032843204E-9 5.589572136614341E-12
i -2.584032613101226E-16 9.514245630469056E-16 2.095221125833338E-12 -5.082720514815165E-12 5.589572136614341E-12 1.521121523293271E-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 16.30   n/a E2021B55  
rotation period rot_per 4.941 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

101392 (1998 UW34)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 UW34 = 1999 AT10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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