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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214202768522234 3.6329e-08  
a 2.370857371535456 8.2151e-09 au
q 1.863013158781215 8.6638e-08 au
i 3.277259012777906 4.812e-06 deg
node 186.2317726352836 6.2748e-05 deg
peri 67.13672064628847 6.3903e-05 deg
M 86.43998629301819 1.0037e-05 deg
tp 2458680.338756936287
(2019-Jul-15.83875694)
3.721e-05 TDB
period 1333.388081671251
3.65
6.9304e-06
1.897e-08
d
yr
n .2699889139167801 1.4033e-09 deg/d
Q 2.878701584289698 9.9748e-09 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      8604 days (23.56 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:33  

Additional Information
 Earth MOID = .851596 au 
 Jupiter MOID = 2.1729 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 16.1   n/a MPO493565  

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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