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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 ]

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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 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 
[ show covariance matrix ]

[ 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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