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101547 (1998 YM27)
Classification: Main-belt Asteroid          SPK-ID: 2101547
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2263942499738729 3.9374e-08  
a 3.156148184167028 2.294e-08 au
q 2.441614383206133 1.3265e-07 au
i 15.81632818001449 5.4753e-06 deg
node 347.2414110195381 1.4293e-05 deg
peri 106.6112490797518 2.0829e-05 deg
M 292.3471428730987 1.2097e-05 deg
tp 2459385.373621989365
(2021-Jun-19.87362199)		 6.9762e-05 TDB
period 2048.021470198589
5.61		 2.2328e-05
6.113e-08		 d
yr
n .1757794072173922 1.9164e-09 deg/d
Q 3.870681985127923 2.8133e-08 au
   Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      8498 days (23.27 yr)  
   first obs. used      1997-08-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:24  

Additional Information
 Earth MOID = 1.51295 au 
 Jupiter MOID = 1.55616 au 
 T_jup = 3.108 
[ 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 14.6   n/a MPO493571  
diameter diameter 3.961 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101547 (1998 YM27)          Discovered 1998-Dec-27 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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