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136649 (1995 GA4)
Classification: Main-belt Asteroid          SPK-ID: 2136649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09359049457613323 5.3398e-08  
a 2.752886766299677 1.6978e-08 au
q 2.495242732329598 1.5273e-07 au
i 4.43705571715382 4.9996e-06 deg
node 127.7272550523664 6.7715e-05 deg
peri 213.6130514829011 7.318e-05 deg
M 314.9970913752756 2.5591e-05 deg
tp 2458809.054244072100
(2019-Nov-21.55424407)
0.00011818 TDB
period 1668.326118474655
4.57
1.5434e-05
4.226e-08
d
yr
n .2157851489666462 1.9963e-09 deg/d
Q 3.010530800269756 1.8567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      21578 days (59.08 yr)  
   first obs. used      1960-09-26  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60931  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:04:31  

Additional Information
 Earth MOID = 1.48704 au 
 Jupiter MOID = 2.32429 au 
 T_jup = 3.334 
[ 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 15.7   n/a MPO348281  
diameter diameter 2.779 km 0.631 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136649 (1995 GA4)          Discovered 1995-Apr-04 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1995 GA4 = 1999 CH140 = 2000 HO38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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