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JPL Small-Body Database Browser
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80018 (1999 GE46)
Classification: Main-belt Asteroid          SPK-ID: 2080018
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1067914539141831 5.7152e-08  
a 2.976306875594537 3.0114e-08 au
q 2.658462737055017 1.7837e-07 au
i 13.03878814830031 6.1688e-06 deg
node 85.88608378597985 3.1074e-05 deg
peri 170.283750545959 4.8312e-05 deg
M 278.9897833337249 4.0189e-05 deg
tp 2459022.538704507314
(2020-Jun-22.03870451)
0.00021185 TDB
period 1875.491016750779
5.13
2.8464e-05
7.793e-08
d
yr
n .1919497330484083 2.9132e-09 deg/d
Q 3.294151014134057 3.3329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      1999-04-12  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62117  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:59:33  

Additional Information
 Earth MOID = 1.64383 au 
 Jupiter MOID = 1.77908 au 
 T_jup = 3.213 
[ 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 14.5   n/a MPO302476  
diameter diameter 4.450 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80018 (1999 GE46)          Discovered 1999-Apr-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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