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101366 (1998 UY)
Classification: Main-belt Asteroid          SPK-ID: 2101366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07203570241289098 5.0301e-08  
a 3.096272702673573 2.3366e-08 au
q 2.873230523674622 1.5883e-07 au
i 6.5951729602679 6.0496e-06 deg
node 36.22133967567917 4.4112e-05 deg
peri 4.225152529879084 6.033e-05 deg
M 344.2491285889408 3.9209e-05 deg
tp 2459087.568150246965
(2020-Aug-26.06815025)
0.00021664 TDB
period 1990.0190453526
5.45
2.2526e-05
6.167e-08
d
yr
n .1809027912776652 2.0477e-09 deg/d
Q 3.319314881672525 2.5049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8084 days (22.13 yr)  
   first obs. used      1998-09-29  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:09  

Additional Information
 Earth MOID = 1.88111 au 
 Jupiter MOID = 2.03572 au 
 T_jup = 3.209 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457593.5 (2016-Jul-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0712663979375918 5.1227e-08  
q 2.877061477821134 1.6104e-07 au
tp 2457072.683677561972
(2015-Feb-19.18367756)
0.00022097 TDB
node 36.29118951453067 4.4066e-05 deg
peri .3208795173319507 6.049e-05 deg
i 6.601894686191294 6.0555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8084 days (22.13 yr)  
   first obs. used      1998-09-29  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:09  

Additional Information
 Jupiter MOID = 2.03572 au 
 T_jup = 3.209 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.6241548799043E-15 -8.175506638772781E-15 -2.890716931180525E-12 -9.408128957569946E-15 -5.489174231283054E-13 -1.652830541725519E-15
q -8.175506638772781E-15 2.593324896031256E-14 8.259933203844623E-12 2.742130269003294E-14 1.591533913585869E-12 6.219339742853205E-15
tp -2.890716931180525E-12 8.259933203844623E-12 4.882887263322928E-8 3.345484183089505E-11 9.185118366813051E-9 3.982528371035478E-12
node -9.408128957569946E-15 2.742130269003294E-14 3.345484183089505E-11 1.941845240593648E-9 -1.922530999626843E-9 -7.039486574660624E-11
peri -5.489174231283054E-13 1.591533913585869E-12 9.185118366813051E-9 -1.922530999626843E-9 3.659070885900483E-9 7.075109305940838E-11
i -1.652830541725519E-15 6.219339742853205E-15 3.982528371035478E-12 -7.039486574660624E-11 7.075109305940838E-11 3.666914042258071E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO453466  
diameter diameter 5.349 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101366 (1998 UY)          Discovered 1998-Oct-17 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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