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34846 (2001 SY281)
Classification: Main-belt Asteroid          SPK-ID: 2034846
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426477333951199 4.0378e-08  
a 3.177874900199763 2.4201e-08 au
q 2.406770758653048 1.2877e-07 au
i 25.8256908748116 5.4015e-06 deg
node 161.7705984367949 1.0704e-05 deg
peri 113.3409590468858 1.5255e-05 deg
M 196.9135963419682 1.2901e-05 deg
tp 2459937.886894104578
(2022-Dec-24.38689410)
8.1054e-05 TDB
period 2069.205490515633
5.67
2.3637e-05
6.471e-08
d
yr
n .1739798205881864 1.9874e-09 deg/d
Q 3.948979041746478 3.0073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      11640 days (31.87 yr)  
   first obs. used      1988-03-17  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:36:51  

Additional Information
 Earth MOID = 1.50678 au 
 Jupiter MOID = 1.90926 au 
 T_jup = 3.002 
[ 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 13.7   n/a MPO365663  
diameter diameter 9.779 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34846 (2001 SY281)          Discovered 2001-Sep-22 by LONEOS at Anderson Mesa
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 SY281 = 1988 FB1 = 1999 FU53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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