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362287 (2009 SS78)
Classification: Main-belt Asteroid          SPK-ID: 2362287
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555265008538823 4.9614e-08  
a 3.107735614481773 5.0614e-08 au
q 2.624400368782433 1.4252e-07 au
i 6.798091492233995 7.6482e-06 deg
node 313.2600108889706 5.4662e-05 deg
peri 307.0322881858116 6.1809e-05 deg
M 108.4758073942353 3.3256e-05 deg
tp 2458597.531097235436
(2019-Apr-24.03109724)
0.0001766 TDB
period 2001.080334957515
5.48
4.8885e-05
1.338e-07
d
yr
n .179902822346032 4.3949e-09 deg/d
Q 3.591070860181113 5.8485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      5050 days (13.83 yr)  
   first obs. used      2007-02-17  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:57  

Additional Information
 Earth MOID = 1.61435 au 
 Jupiter MOID = 1.56239 au 
 T_jup = 3.190 
[ 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 15.66   n/a E2021B25  

362287 (2009 SS78)          Discovered 2007-Feb-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2009 SS78 = 2012 BU70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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