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249484 (2009 UL32)
Classification: Main-belt Asteroid          SPK-ID: 2249484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356731235262899 4.4902e-08  
a 3.047022434064853 3.4198e-08 au
q 2.633623382980596 1.4525e-07 au
i 1.285512394496518 6.1186e-06 deg
node 226.6513442572139 0.00030131 deg
peri 215.9816000529478 0.00030277 deg
M 253.4730122449216 3.0071e-05 deg
tp 2459175.369212706874
(2020-Nov-21.86921271)
0.00016639 TDB
period 1942.72757482161
5.32
3.2706e-05
8.954e-08
d
yr
n .1853064756303038 3.1197e-09 deg/d
Q 3.46042148514911 3.8838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      1998-10-20  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52105  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:46:04  

Additional Information
 Earth MOID = 1.64965 au 
 Jupiter MOID = 1.76483 au 
 T_jup = 3.224 
[ show covariance matrix ]

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 15.9   n/a MPO454849  
diameter diameter 3.219 km 1.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249484 (2009 UL32)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 UL32 = 2006 DJ97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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