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249974 (2001 UZ229)
Classification: Main-belt Asteroid          SPK-ID: 2249974
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098188055957545 5.2083e-08  
a 2.722421095228451 2.0075e-08 au
q 2.423448062221777 1.3965e-07 au
i 1.454114152900871 5.7427e-06 deg
node 26.62427689077858 0.00021281 deg
peri 333.0170158881631 0.00021536 deg
M 66.1040536058289 2.9165e-05 deg
tp 2458699.229249028692
(2019-Aug-03.72924903)
0.00013319 TDB
period 1640.7083141435
4.49
1.8148e-05
4.969e-08
d
yr
n .2194174289827568 2.4269e-09 deg/d
Q 3.021394128235126 2.2279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:29  

Additional Information
 Earth MOID = 1.42003 au 
 Jupiter MOID = 2.41289 au 
 T_jup = 3.349 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457282.5 (2015-Sep-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1114865252686578 5.2691e-08  
q 2.417885793188666 1.4155e-07 au
tp 2457052.861837626679
(2015-Jan-30.36183763)
0.00013144 TDB
node 26.65690036777638 0.00021205 deg
peri 331.8162809768257 0.00021449 deg
i 1.459221678977965 5.7478e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:29  

Additional Information
 Jupiter MOID = 2.41289 au 
 T_jup = 3.349 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.776314928042785E-15 -7.401438554948162E-15 -7.121265004524967E-13 -1.115371286699024E-15 -1.763309593781344E-13 -9.787097970324294E-16
q -7.401438554948162E-15 2.003544435723721E-14 1.475888958498104E-12 -2.80284677612843E-15 3.830971367188672E-13 2.704912344299561E-15
tp -7.121265004524967E-13 1.475888958498104E-12 1.72752476086189E-8 1.805866914609502E-11 4.272438537911498E-9 2.012934409683072E-12
node -1.115371286699024E-15 -2.80284677612843E-15 1.805866914609502E-11 4.496533196379667E-8 -4.494539766295216E-8 -1.903106061588683E-10
peri -1.763309593781344E-13 3.830971367188672E-13 4.272438537911498E-9 -4.494539766295216E-8 4.600705376397742E-8 1.907421162622281E-10
i -9.787097970324294E-16 2.704912344299561E-15 2.012934409683072E-12 -1.903106061588683E-10 1.907421162622281E-10 3.303745608511314E-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 17.0   n/a MPO454854  
diameter diameter 2.709 km 0.661 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249974 (2001 UZ229)          Discovered 2001-Oct-17 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2001 UZ229 = 2005 NP92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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