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212669 (2006 UL278)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212669
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04843184880257306 6.1254e-08  
a 3.448709656702345 4.2472e-08 au
q 3.281682272044963 2.1465e-07 au
i 8.835260551998315 6.8829e-06 deg
node 228.2525709482633 3.3101e-05 deg
peri 191.267705937996 7.0042e-05 deg
M 23.47058310272916 5.9396e-05 deg
tp 2458847.987740566690
(2019-Dec-30.48774057)
0.00038627 TDB
period 2339.286295345913
6.40
4.3213e-05
1.183e-07
d
yr
n .1538930915451571 2.8429e-09 deg/d
Q 3.615737041359726 4.4529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      6975 days (19.10 yr)  
   first obs. used      2000-12-16  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:49:12  

Additional Information
 Earth MOID = 2.29412 au 
 Jupiter MOID = 1.68463 au 
 T_jup = 3.116 
[ 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 14.5   n/a MPO454526  
diameter diameter 7.308 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212669 (2006 UL278)          Discovered 2006-Oct-28 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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