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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14491055145937 5.2957e-08  
a 2.317816195148626 1.4519e-08 au
q 1.98194017212818 1.2206e-07 au
i 2.397824822630061 5.6537e-06 deg
node 292.0414411539928 0.00013793 deg
peri 257.3753677346923 0.00013926 deg
M 74.02696901871477 2.2339e-05 deg
tp 2458735.464295895665
(2019-Sep-08.96429590)
7.904e-05 TDB
period 1288.893152621706
3.53
1.2111e-05
3.316e-08
d
yr
n .2793094208528712 2.6245e-09 deg/d
Q 2.653692218169072 1.6623e-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 = .98412 au 
 Jupiter MOID = 2.31286 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 = 2.31286 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 17.0   n/a MPO470313  
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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