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186378 (2002 GW170)
Classification: Main-belt Asteroid          SPK-ID: 2186378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176444958558734 6.0548e-08  
a 3.149545339753271 3.4318e-08 au
q 2.779018666082782 1.9779e-07 au
i 22.17380866520387 6.9566e-06 deg
node 205.9168236581536 1.3401e-05 deg
peri 165.4157036792012 2.7948e-05 deg
M 322.2131742147908 2.8232e-05 deg
tp 2459414.793073836841
(2021-Jul-19.29307384)
0.0001621 TDB
period 2041.597963792437
5.59
3.3369e-05
9.136e-08
d
yr
n .1763324642679748 2.882e-09 deg/d
Q 3.52007201342376 3.8356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      9830 days (26.91 yr)  
   first obs. used      1993-10-22  
   last obs. used      2020-09-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53695  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:01  

Additional Information
 Earth MOID = 1.78386 au 
 Jupiter MOID = 1.95384 au 
 T_jup = 3.083 
[ 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 14.63   n/a MPCxxxxx  

186378 (2002 GW170)          Discovered 2002-Apr-10 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2002 GW170 = 2004 RN202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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