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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 ]

[ 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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1940-Dec-17 18:13 00:02 Jupiter 1.79829046580353 1.79828980100403 1.79829113060824 1.9871008949289 1.73393747074555 2429981.259012771 1.8919466474224 275.608684027917 101.264628925737 72.0357716188458 969476.43682906 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 07:59:14 2019-Jul-13 07:59
1988-Sep-13 14:49 < 00:01 Jupiter 1.84535493087034 1.84535431779536 1.84535554394574 1.43382423060185 1.06669908409906 2447418.117267276 0.714534691647444 485.161090368218 152.31422849081 -52.3795192861852 1717891.22883423 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 07:59:14 2019-Jul-13 07:59
2036-Jun-21 18:37 < 00:01 Jupiter 1.92050892905251 1.92050830155746 1.92050955654828 0.788276253903512 n/a 2464866.275852762 0.658806615128245 251.479310751668 30.4260895513229 88.3231817050512 9436346.353669 F 20 CATAB v2.0e-lin.ifort 2019-Jul-13 07:59:14 2019-Jul-13 07:59
2117-Dec-16 23:17 00:02 Jupiter 1.91905059797395 1.91904912270517 1.91905207325931 3.26153949103563 3.12328164399748 2494628.469823598 2.45954310456111 320.50775137467 20.0129402464655 -81.126051438757 1756399.15473979 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 07:59:14 2019-Jul-13 07:59
2165-Sep-10 07:50 00:04 Jupiter 1.85734998775607 1.85734856594894 1.8573514096031 2.790579877992 2.62207164034229 2512062.826402336 3.54614836773391 488.437627324062 20.7613722242784 -87.920648051225 1449666.26396545 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 07:59:14 2019-Jul-13 07:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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