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100564 (1997 GU27)
Classification: Main-belt Asteroid          SPK-ID: 2100564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0499911428771962 6.5122e-08  
a 3.121416383539507 3.3097e-08 au
q 2.965373211130762 2.1074e-07 au
i 15.40369461894073 7.4766e-06 deg
node 355.6803789817012 2.0206e-05 deg
peri 20.68910421128346 6.1745e-05 deg
M 263.8137132942592 6.042e-05 deg
tp 2459738.691263367744
(2022-Jun-08.19126337)
0.00034007 TDB
period 2014.308499143092
5.51
3.2037e-05
8.771e-08
d
yr
n .1787213826249295 2.8425e-09 deg/d
Q 3.277459555948251 3.4752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1997-02-07  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61143  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:45  

Additional Information
 Earth MOID = 1.96636 au 
 Jupiter MOID = 1.99024 au 
 T_jup = 3.159 
[ 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 14.7   n/a MPO253938  

100564 (1997 GU27)          Discovered 1997-Apr-09 by Comba, P. G. at Prescott
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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