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JPL Small-Body Database Browser
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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 ]

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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 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 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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