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JPL Small-Body Database Browser
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91312 (1999 GE7)
Classification: Main-belt Asteroid          SPK-ID: 2091312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393174041065011 6.0879e-08  
a 2.448440949945461 1.3678e-08 au
q 2.107330512691004 1.4876e-07 au
i 12.98551763131161 6.6063e-06 deg
node 50.74336410030065 1.9803e-05 deg
peri 354.6787937788595 2.7207e-05 deg
M 342.8789470218115 1.6539e-05 deg
tp 2459067.051959784488
(2020-Aug-05.55195978)
6.4372e-05 TDB
period 1399.371028927847
3.83
1.1726e-05
3.21e-08
d
yr
n .2572584343666313 2.1558e-09 deg/d
Q 2.789551387199918 1.5584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      17767 days (48.64 yr)  
   first obs. used      1970-11-23  
   last obs. used      2019-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:02:02  

Additional Information
 Earth MOID = 1.11741 au 
 Jupiter MOID = 2.60327 au 
 T_jup = 3.449 
[ 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 14.8   n/a MPO432451  
diameter diameter 4.729 km 0.347 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91312 (1999 GE7)          Discovered 1999-Apr-13 by Korlevic, K., Juric, M. at Visnjan
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 GE7 = 1970 WJ1 = 2001 TV43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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