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243261 (2007 YM28)
Classification: Main-belt Asteroid          SPK-ID: 2243261
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07573437377488285 6.027e-08  
a 3.129681418905437 3.1367e-08 au
q 2.892656956529747 1.9609e-07 au
i 12.92600400968921 5.3036e-06 deg
node 173.4414055684778 2.7355e-05 deg
peri 77.10164296462642 4.8115e-05 deg
M 347.7671204501647 3.6522e-05 deg
tp 2459069.218682238721
(2020-Aug-07.71868224)
0.00020474 TDB
period 2022.314166109209
5.54
3.0403e-05
8.324e-08
d
yr
n .178013884307904 2.6762e-09 deg/d
Q 3.366705881281127 3.3742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1997-04-09  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:57:40  

Additional Information
 Earth MOID = 1.91559 au 
 Jupiter MOID = 1.71558 au 
 T_jup = 3.170 
[ 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 15.3   n/a MPO470594  
diameter diameter 5.299 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243261 (2007 YM28)          Discovered 2007-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2007 YM28 = 2005 SN270 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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