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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2692789504077472 3.2342e-08  
a 2.65716389414258 1.487e-08 au
q 1.941645589666504 8.691e-08 au
i 13.42676086195002 4.9674e-06 deg
node 160.4993077885517 1.6529e-05 deg
peri 74.79017283385359 1.9389e-05 deg
M 291.2968732302571 1.252e-05 deg
tp 2459302.425603302262
(2021-Mar-28.92560330)
5.6375e-05 TDB
period 1582.07089399435
4.33
1.3281e-05
3.636e-08
d
yr
n .2275498534020092 1.9102e-09 deg/d
Q 3.372682198618657 1.8875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      1999-03-23  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5307  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:42:05  

Additional Information
 Earth MOID = .982232 au 
 Jupiter MOID = 1.80596 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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