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95793 Brock (2003 FR20)
Classification: Main-belt Asteroid          SPK-ID: 2095793
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07508487237421087 4.4339e-08  
a 2.405394758249152 1.323e-08 au
q 2.224785999816418 1.0478e-07 au
i 8.835073909897181 5.4192e-06 deg
node 191.5438631096668 3.0742e-05 deg
peri 93.31918283082243 5.1202e-05 deg
M 124.9774909595079 3.914e-05 deg
tp 2458527.449759074719
(2019-Feb-12.94975907)
0.00014801 TDB
period 1362.630065827428
3.73
1.1242e-05
3.078e-08
d
yr
n .2641949631291878 2.1797e-09 deg/d
Q 2.586003516681885 1.4224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      9525 days (26.08 yr)  
   first obs. used      1993-09-23  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:19:42  

Additional Information
 Earth MOID = 1.23026 au 
 Jupiter MOID = 2.51335 au 
 T_jup = 3.503 
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Orbital Elements at Epoch 2457088.5 (2015-Mar-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07537222701013048 4.4394e-08  
q 2.223985856123315 1.0506e-07 au
tp 2457167.108009267519
(2015-May-24.60800927)
0.00014765 TDB
node 191.5769415270782 3.072e-05 deg
peri 93.91714492957749 5.1048e-05 deg
i 8.838045841675273 5.4219e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      9525 days (26.08 yr)  
   first obs. used      1993-09-23  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:19:42  

Additional Information
 Jupiter MOID = 2.51335 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.970833792539848E-15 -4.633237181382128E-15 2.143978738130844E-12 -2.860020297956087E-15 5.565168788460207E-13 -8.269591166745523E-15
q -4.633237181382128E-15 1.103705756490117E-14 -5.284374104206566E-12 6.074198471045833E-15 -1.377789828154342E-12 2.006744589244111E-14
tp 2.143978738130844E-12 -5.284374104206566E-12 2.179955944114408E-8 -4.757420528709952E-12 6.038657941920683E-9 -2.326451969643929E-11
node -2.860020297956087E-15 6.074198471045833E-15 -4.757420528709952E-12 9.436915299413238E-10 -9.333541677521231E-10 -5.698102393795741E-11
peri 5.565168788460207E-13 -1.377789828154342E-12 6.038657941920683E-9 -9.333541677521231E-10 2.605899178002148E-9 5.015515214469935E-11
i -8.269591166745523E-15 2.006744589244111E-14 -2.326451969643929E-11 -5.698102393795741E-11 5.015515214469935E-11 2.939668432950223E-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 15.9   n/a MPO493535  
diameter diameter 2.597 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

95793 Brock           Discovered 2003 Mar. 23 by the Catalina Sky Survey.
Brad Brock (b. 1955) is a manager with IBM Information Technology and Services. He has also been very active in local Boy Scouts of America activities in the Tucson, Arizona, area.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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