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308924 (2006 SR331)
Classification: Main-belt Asteroid          SPK-ID: 2308924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07816973684411035 8.5771e-08  
a 2.766573081257641 4.5899e-08 au
q 2.550310791535732 2.519e-07 au
i .9174557667482834 9.6544e-06 deg
node 65.93444746191076 0.00043811 deg
peri 324.2434062606461 0.00044169 deg
M 331.4855588383992 5.9191e-05 deg
tp 2459133.629411137930
(2020-Oct-11.12941114)
0.00027816 TDB
period 1680.783001779301
4.60
4.1828e-05
1.145e-07
d
yr
n .2141858881360049 5.3302e-09 deg/d
Q 2.98283537097955 4.9487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      7442 days (20.38 yr)  
   first obs. used      1997-11-01  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64694  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:40:38  

Additional Information
 Earth MOID = 1.55545 au 
 Jupiter MOID = 2.3655 au 
 T_jup = 3.334 
[ 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 17.0   n/a MPO440450  

308924 (2006 SR331)          Discovered 2006-Sep-28 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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