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99615 (2002 GW76)
Classification: Main-belt Asteroid          SPK-ID: 2099615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09302813096673167 3.4924e-08  
a 2.179110767874699 8.5593e-09 au
q 1.976392165969836 7.447e-08 au
i 7.069894985643402 3.7681e-06 deg
node 83.25388195012552 4.0032e-05 deg
peri 16.05344522357686 4.9633e-05 deg
M 21.91121355811983 2.8749e-05 deg
tp 2459128.987605852611
(2020-Oct-06.48760585)
9.3773e-05 TDB
period 1174.944592857553
3.22
6.9226e-06
1.895e-08
d
yr
n .3063974268986192 1.8052e-09 deg/d
Q 2.381829369779561 9.3556e-09 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      8527 days (23.35 yr)  
   first obs. used      1997-11-06  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59301  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:28:12  

Additional Information
 Earth MOID = .993981 au 
 Jupiter MOID = 2.73554 au 
 T_jup = 3.667 
[ 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 16.3   n/a MPO325148  

99615 (2002 GW76)          Discovered 2002-Apr-09 by LONEOS at Anderson Mesa
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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