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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109919888089345 5.134e-08  
a 2.722817717202535 1.9413e-08 au
q 2.423525898439946 1.3674e-07 au
i 1.454070319857866 5.3838e-06 deg
node 26.61790372307446 0.00021277 deg
peri 333.0941938641009 0.0002148 deg
M 109.8986601705543 2.6736e-05 deg
tp 2458699.524859597185
(2019-Aug-04.02485960)
0.00012169 TDB
period 1641.066872563528
4.49
1.7551e-05
4.805e-08
d
yr
n .2193694882388554 2.3461e-09 deg/d
Q 3.022109535965123 2.1547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      7079 days (19.38 yr)  
   first obs. used      2001-09-19  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48539  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:09:36  

Additional Information
 Earth MOID = 1.41847 au 
 Jupiter MOID = 2.41286 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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