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357888 (2005 UN512)
Classification: Main-belt Asteroid          SPK-ID: 2357888
[ 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 .1201007879945922 8.5323e-08  
a 3.121203793642163 6.5189e-08 au
q 2.746344758534029 3.0168e-07 au
i 16.33739998961623 8.1708e-06 deg
node 249.6557113874638 2.4572e-05 deg
peri .887017424690537 3.9498e-05 deg
M 39.06311770330711 3.0453e-05 deg
tp 2458781.952412142226
(2019-Oct-25.45241214)		 0.00017002 TDB
period 2014.102720278719
5.51		 6.3099e-05
1.728e-07		 d
yr
n .1787396424101854 5.5997e-09 deg/d
Q 3.496062828750297 7.3018e-08 au
   Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      4996 days (13.68 yr)  
   first obs. used      2005-10-30  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:14  

Additional Information
 Earth MOID = 1.73226 au 
 Jupiter MOID = 1.55822 au 
 T_jup = 3.143 
[ 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 15.4   n/a MPO437512  
diameter diameter 5.467 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

357888 (2005 UN512)          Discovered 2005-Oct-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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