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362290 (2009 SR178)
Classification: Outer Main-belt Asteroid          SPK-ID: 2362290
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197302648106176 6.2237e-08  
a 3.201241322083543 4.3423e-08 au
q 2.817955850867788 1.93e-07 au
i 5.450204437609339 5.9797e-06 deg
node 51.74696376636413 5.9407e-05 deg
peri 160.3685120210428 6.791e-05 deg
M 119.0602720336037 2.8874e-05 deg
tp 2458508.604640377924
(2019-Jan-25.10464038)
0.00016701 TDB
period 2092.069211748872
5.73
4.2567e-05
1.165e-07
d
yr
n .1720784369743948 3.5013e-09 deg/d
Q 3.584526793299296 4.8623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4936 days (13.51 yr)  
   first obs. used      2007-03-11  
   last obs. used      2020-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:58  

Additional Information
 Earth MOID = 1.81159 au 
 Jupiter MOID = 1.38007 au 
 T_jup = 3.176 
[ 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 16.42   n/a E2021B25  

362290 (2009 SR178)          Discovered 2009-Sep-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2009 SR178 = 2007 GG13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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