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312839 (2011 UL25)
Classification: Main-belt Asteroid          SPK-ID: 2312839
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07162280746554772 7.2722e-08  
a 3.059620055100215 6.0312e-08 au
q 2.840481476976044 2.3374e-07 au
i 6.96125961810246 8.643e-06 deg
node 212.4372861140598 6.1662e-05 deg
peri 11.52969855308041 8.4173e-05 deg
M 34.05506868893488 5.5168e-05 deg
tp 2458815.582107512990
(2019-Nov-28.08210751)
0.00029971 TDB
period 1954.788049420485
5.35
5.78e-05
1.582e-07
d
yr
n .1841631884882483 5.4454e-09 deg/d
Q 3.278758633224387 6.4632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      4554 days (12.47 yr)  
   first obs. used      2006-10-22  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58607  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:29:45  

Additional Information
 Earth MOID = 1.83212 au 
 Jupiter MOID = 1.69633 au 
 T_jup = 3.219 
[ 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 MPO434005  
diameter diameter 3.487 km 1.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312839 (2011 UL25)          Discovered 2006-Oct-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UL25 = 2010 KE49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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