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JPL Small-Body Database Browser
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215428 (2002 JB61)
Classification: Main-belt Asteroid          SPK-ID: 2215428
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446376984960374 5.2937e-08  
a 2.316904359612823 1.4664e-08 au
q 1.981792645402989 1.2199e-07 au
i 2.397743156039131 5.6533e-06 deg
node 292.0438833067098 0.00013796 deg
peri 257.2295270511135 0.0001393 deg
M 322.3960165497205 2.1991e-05 deg
tp 2458735.052551953884
(2019-Sep-08.55255195)		 7.9159e-05 TDB
period 1288.132646038546
3.53		 1.2229e-05
3.348e-08		 d
yr
n .2794743236320612 2.6533e-09 deg/d
Q 2.652016073822657 1.6785e-08 au
   Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1998-02-17  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:43:31  

Additional Information
 Earth MOID = .984394 au 
 Jupiter MOID = 2.3158 au 
 T_jup = 3.565 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456742.5 (2014-Mar-26.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450315665164583 5.2852e-08  
q 1.980772078419529 1.2184e-07 au
tp 2456158.894356191029
(2012-Aug-19.39435619)		 7.3521e-05 TDB
node 292.1003401579748 0.00013787 deg
peri 257.2311786924416 0.00013921 deg
i 2.398825640961136 5.655e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1998-02-17  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:43:31  

Additional Information
 Jupiter MOID = 2.3158 au 
 T_jup = 3.565 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.793364802126759E-15 -6.405977261050501E-15 -5.024764814703629E-13 -2.631037880435945E-14 -5.936652119205025E-14 1.118675496813989E-16
q -6.405977261050501E-15 1.48449787493775E-14 1.226212617085607E-12 6.229843639099833E-14 1.686758548291608E-13 1.72169167915905E-17
tp -5.024764814703629E-13 1.226212617085607E-12 5.405323070686774E-9 1.655602503743804E-11 1.441021185181509E-9 -7.406639876620675E-13
node -2.631037880435945E-14 6.229843639099833E-14 1.655602503743804E-11 1.900942397638121E-8 -1.898798016022982E-8 4.962080342948363E-11
peri -5.936652119205025E-14 1.686758548291608E-13 1.441021185181509E-9 -1.898798016022982E-8 1.937849908963298E-8 -4.975343234121169E-11
i 1.118675496813989E-16 1.72169167915905E-17 -7.406639876620675E-13 4.962080342948363E-11 -4.975343234121169E-11 3.197922330124271E-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 16.9   n/a MPO418154  
diameter diameter 2.569 km 0.666 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215428 (2002 JB61)          Discovered 2002-May-10 by Broughton, J. at Reedy Creek
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2002 JB61 = 2005 AF26 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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