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85972 (1999 GJ7)
Classification: Main-belt Asteroid          SPK-ID: 2085972
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2694115196559638 3.2451e-08  
a 2.65748993750812 1.4853e-08 au
q 1.941531534973625 8.7154e-08 au
i 13.42503226259633 4.994e-06 deg
node 160.5150998214563 1.6563e-05 deg
peri 74.73074801025399 1.9428e-05 deg
M 200.360806734545 1.2136e-05 deg
tp 2459302.186132582675
(2021-Mar-28.68613258)
5.6349e-05 TDB
period 1582.362091430248
4.33
1.3266e-05
3.632e-08
d
yr
n .2275079780725833 1.9073e-09 deg/d
Q 3.373448340042616 1.8854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      7225 days (19.78 yr)  
   first obs. used      1999-03-23  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:59:08  

Additional Information
 Earth MOID = .982098 au 
 Jupiter MOID = 1.80555 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456653.5 (2013-Dec-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2700817666916165 3.2312e-08  
q 1.93845471671564 8.6726e-08 au
tp 2456139.547026852652
(2012-Jul-31.04702685)
4.7356e-05 TDB
node 160.5391660917015 1.6561e-05 deg
peri 74.82567390178899 1.9435e-05 deg
i 13.42883986124965 4.9961e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      7225 days (19.78 yr)  
   first obs. used      1999-03-23  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:59:08  

Additional Information
 Jupiter MOID = 1.80555 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.044083345280127E-15 -2.780530540371024E-15 -2.633555794132511E-13 -8.818541465694292E-16 -4.564450518161354E-14 1.91966069657885E-15
q -2.780530540371024E-15 7.521333449821921E-15 7.415832067267494E-13 1.981954429031937E-15 1.396083006218652E-13 -4.676126842503196E-15
tp -2.633555794132511E-13 7.415832067267494E-13 2.242584777222818E-9 -4.840777218311703E-12 4.940704978190488E-10 1.456040658364146E-12
node -8.818541465694292E-16 1.981954429031937E-15 -4.840777218311703E-12 2.742519566812553E-10 -2.672416110548013E-10 -5.278532159450914E-12
peri -4.564450518161354E-14 1.396083006218652E-13 4.940704978190488E-10 -2.672416110548013E-10 3.777021508277619E-10 5.508168881887166E-12
i 1.91966069657885E-15 -4.676126842503196E-15 1.456040658364146E-12 -5.278532159450914E-12 5.508168881887166E-12 2.496097518070092E-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 15.0   n/a MPC47775  
diameter diameter 5.874 km 1.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.051   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

85972 (1999 GJ7)          Discovered 1999-Apr-06 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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