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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2691705681515101 3.2196e-08  
a 2.656640253808667 1.4167e-08 au
q 1.941550887316816 8.6252e-08 au
i 13.42777689602911 4.9036e-06 deg
node 160.4987921392632 1.6456e-05 deg
peri 74.81734307696729 1.9104e-05 deg
M 336.7824341477275 1.1793e-05 deg
tp 2459302.502715914747
(2021-Mar-29.00271591)
5.221e-05 TDB
period 1581.603255179942
4.33
1.2651e-05
3.464e-08
d
yr
n .2276171339562918 1.8207e-09 deg/d
Q 3.371729620300518 1.798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1999-03-23  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:08:00  

Additional Information
 Earth MOID = .981017 au 
 Jupiter MOID = 1.80584 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 15.03   n/a MPCxxxxx  
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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