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100557 (1997 GW3)
Classification: Main-belt Asteroid          SPK-ID: 2100557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140665257089999 3.5976e-08  
a 2.371025025529899 7.8372e-09 au
q 1.86346793594562 8.5615e-08 au
i 3.277055676561195 4.6485e-06 deg
node 186.2305952565754 6.0471e-05 deg
peri 67.14523206355649 6.1404e-05 deg
M 140.4398699257718 9.5293e-06 deg
tp 2458680.275799478705
(2019-Jul-15.77579948)
3.5059e-05 TDB
period 1333.529518979558
3.65
6.6118e-06
1.81e-08
d
yr
n .2699602782512673 1.3385e-09 deg/d
Q 2.878582115114177 9.5149e-09 au
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1997-04-03  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53032  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:43  

Additional Information
 Earth MOID = .850456 au 
 Jupiter MOID = 2.17198 au 
 T_jup = 3.511 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.11   n/a MPCxxxxx  

100557 (1997 GW3)          Discovered 1997-Apr-03 by Endate, K., Watanabe, K. at Kitami
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 GW3 = 2004 CV40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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