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134577 (1999 SY27)
Classification: Main-belt Asteroid          SPK-ID: 2134577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08763129436323518 4.9444e-08  
a 2.46037096038664 1.565e-08 au
q 2.244765468514243 1.221e-07 au
i 28.63703197967825 7.6893e-06 deg
node 252.6078858694771 1.1395e-05 deg
peri 125.3748004767213 4.7021e-05 deg
M 168.8094042254463 4.5907e-05 deg
tp 2458539.512187533957
(2019-Feb-25.01218753)
0.00017814 TDB
period 1409.611114852251
3.86
1.345e-05
3.682e-08
d
yr
n .2553895866788292 2.4368e-09 deg/d
Q 2.675976452259037 1.7022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      7488 days (20.50 yr)  
   first obs. used      1999-09-27  
   last obs. used      2020-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:08:04  

Additional Information
 Earth MOID = 1.31159 au 
 Jupiter MOID = 2.74282 au 
 T_jup = 3.317 
[ 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 14.24   n/a E2021B55  
diameter diameter 6.581 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

134577 (1999 SY27)          Discovered 1999-Sep-27 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 SY27 = 1984 YB = 2002 LX14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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