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JPL Small-Body Database Browser
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136809 (1997 GB1)
Classification: Main-belt Asteroid          SPK-ID: 2136809
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726746107896692 4.7616e-08  
a 2.334299712920449 1.2012e-08 au
q 1.931225418525474 1.1122e-07 au
i 4.685491109449587 5.9041e-06 deg
node 193.0691455296921 6.0406e-05 deg
peri 233.6185104732338 6.3088e-05 deg
M 168.162168289385 1.8276e-05 deg
tp 2457992.002007802557
(2017-Aug-26.50200780)
6.372e-05 TDB
period 1302.666821077777
3.57
1.0055e-05
2.753e-08
d
yr
n .2763561596680182 2.1332e-09 deg/d
Q 2.737374007315424 1.4087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1997-04-02  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:54:11  

Additional Information
 Earth MOID = .948783 au 
 Jupiter MOID = 2.57182 au 
 T_jup = 3.544 
[ 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 17.0   n/a MPO234039  

136809 (1997 GB1)          Discovered 1997-Apr-02 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1997 GB1 = 1999 XF249 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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