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233746 (2008 SR303)
Classification: Main-belt Asteroid          SPK-ID: 2233746
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560672380253945 5.5353e-08  
a 2.256459802755649 1.4995e-08 au
q 1.904300353624248 1.1944e-07 au
i 4.48937192142453 6.3062e-06 deg
node 317.0321953778505 6.5855e-05 deg
peri 345.2935302104648 6.9689e-05 deg
M 100.618344442489 2.2518e-05 deg
tp 2458254.469408400901
(2018-May-15.96940840)
7.5857e-05 TDB
period 1238.054687402231
3.39
1.2341e-05
3.379e-08
d
yr
n .2907787544953899 2.8985e-09 deg/d
Q 2.608619251887049 1.7335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6369 days (17.44 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:56:28  

Additional Information
 Earth MOID = .888607 au 
 Jupiter MOID = 2.60688 au 
 T_jup = 3.603 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457358.5 (2015-Dec-02.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568328566839016 5.5506e-08  
q 1.902093842194377 1.199e-07 au
tp 2457016.808204481555
(2014-Dec-25.30820448)
7.0868e-05 TDB
node 317.0946324754646 6.5789e-05 deg
peri 345.2651522183857 6.959e-05 deg
i 4.492249527703893 6.3109e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6369 days (17.44 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:56:28  

Additional Information
 Jupiter MOID = 2.60688 au 
 T_jup = 3.603 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.080899046150639E-15 -6.626223738435302E-15 2.131741210160104E-12 1.250893078047424E-14 6.9522807710209E-13 -7.617697417064129E-16
q -6.626223738435302E-15 1.437527703189508E-14 -4.551616313524209E-12 -2.708186210632706E-14 -1.47727392999473E-12 1.995038732674849E-15
tp 2.131741210160104E-12 -4.551616313524209E-12 5.0222301693942E-9 3.02539552786037E-11 1.629295016679231E-9 1.531762336085054E-12
node 1.250893078047424E-14 -2.708186210632706E-14 3.02539552786037E-11 4.328223950326469E-9 -4.304034318641369E-9 1.71945381554178E-10
peri 6.9522807710209E-13 -1.47727392999473E-12 1.629295016679231E-9 -4.304034318641369E-9 4.842741852657385E-9 -1.709177031651406E-10
i -7.617697417064129E-16 1.995038732674849E-15 1.531762336085054E-12 1.71945381554178E-10 -1.709177031651406E-10 3.982717896115694E-11

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 17.3   n/a MPO454690  

233746 (2008 SR303)          Discovered 2008-Sep-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 SR303 = 2001 SZ81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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