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72811 (2001 GN7)
Classification: Main-belt Asteroid          SPK-ID: 2072811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05013766544081839 4.4805e-08  
a 3.061382773137565 2.8138e-08 au
q 2.907892187871708 1.4235e-07 au
i 11.41412040438226 4.7089e-06 deg
node 112.8133500168071 2.4776e-05 deg
peri 58.72418004233654 5.4754e-05 deg
M 315.7718391122319 5.1005e-05 deg
tp 2459636.865015716419
(2022-Feb-26.36501572)
0.00027829 TDB
period 1956.477590770504
5.36
2.6974e-05
7.385e-08
d
yr
n .1840041520016716 2.5369e-09 deg/d
Q 3.214873358403421 2.9549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      2000-01-06  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:36  

Additional Information
 Earth MOID = 1.93591 au 
 Jupiter MOID = 1.84883 au 
 T_jup = 3.202 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457525.5 (2016-May-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05022466816637933 4.4903e-08  
q 2.90696733796711 1.4251e-07 au
tp 2457698.157016054763
(2016-Nov-05.65701605)
0.00027046 TDB
node 112.9521300544483 2.4777e-05 deg
peri 61.80282926653683 5.4722e-05 deg
i 11.41470417706908 4.7095e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      2000-01-06  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:36  

Additional Information
 Jupiter MOID = 1.84883 au 
 T_jup = 3.202 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.016322771226257E-15 -6.288105148092331E-15 -1.097229077168335E-12 -2.114690974830208E-16 -1.697078955012674E-13 1.895588262626894E-15
q -6.288105148092331E-15 2.031018498802484E-14 4.99060043096274E-12 1.634227287421607E-15 7.968917603112949E-13 -4.513564869284025E-15
tp -1.097229077168335E-12 4.99060043096274E-12 7.314780871460569E-8 -3.274565044393439E-11 1.323009438820224E-8 -9.256449391721592E-13
node -2.114690974830208E-16 1.634227287421607E-15 -3.274565044393439E-11 6.138864965163716E-10 -6.072510085226477E-10 5.918367066502482E-12
peri -1.697078955012674E-13 7.968917603112949E-13 1.323009438820224E-8 -6.072510085226477E-10 2.994462750610191E-9 -6.076538833336281E-12
i 1.895588262626894E-15 -4.513564869284025E-15 -9.256449391721592E-13 5.918367066502482E-12 -6.076538833336281E-12 2.217960862498466E-11

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 14.57   n/a MPCxxxxx  
diameter diameter 6.001 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72811 (2001 GN7)          Discovered 2001-Apr-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2001 GN7 = 2000 BR18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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