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JPL Small-Body Database Browser
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52209 (3495 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2052209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .262689344976602 8.4143e-08  
a 2.583289413611833 1.995e-08 au
q 1.904686809665151 2.2775e-07 au
i 2.900144967252112 5.572e-06 deg
node 36.38977667424146 0.00013996 deg
peri 281.4300841104856 0.00014061 deg
M 137.9747740029214 1.1242e-05 deg
tp 2458419.260375155053
(2018-Oct-27.76037516)
4.4503e-05 TDB
period 1516.554503939617
4.15
1.7568e-05
4.81e-08
d
yr
n .2373801924459774 2.7498e-09 deg/d
Q 3.261892017558516 2.519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      15429 days (42.24 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:16:13  

Additional Information
 Earth MOID = .894106 au 
 Jupiter MOID = 2.06447 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455829.5 (2011-Sep-25.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .264824890180861 8.4423e-08  
q 1.897260868041153 2.2893e-07 au
tp 2455390.467295705201
(2010-Jul-12.96729571)
4.5291e-05 TDB
node 36.40326128603336 0.00013992 deg
peri 281.6508208751728 0.00014056 deg
i 2.903345333844873 5.578e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      15429 days (42.24 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:16:13  

Additional Information
 Jupiter MOID = 2.06447 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.127167137105872E-15 -1.930550783553446E-14 1.396609242285113E-12 7.462186152810475E-14 2.193347633485024E-13 -1.823058534190831E-14
q -1.930550783553446E-14 5.240744299515458E-14 -3.919061502940131E-12 -1.99797162588758E-13 -6.291759184384372E-13 4.963994518660386E-14
tp 1.396609242285113E-12 -3.919061502940131E-12 2.051268329889077E-9 -8.342187768334255E-12 6.447946657975283E-10 -2.782898702039934E-12
node 7.462186152810475E-14 -1.99797162588758E-13 -8.342187768334255E-12 1.957782112579391E-8 -1.955666242874006E-8 -2.72241659209825E-10
peri 2.193347633485024E-13 -6.291759184384372E-13 6.447946657975283E-10 -1.955666242874006E-8 1.975575794470143E-8 2.713962284576979E-10
i -1.823058534190831E-14 4.963994518660386E-14 -2.782898702039934E-12 -2.72241659209825E-10 2.713962284576979E-10 3.111445979959979E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO432079  
diameter diameter 3.344 km 0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52209 (3495 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3495 T-3 = 1997 HW11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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