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312948 (1995 SF80)
Classification: Jupiter Trojan          SPK-ID: 2312948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0241827527916365 5.6514e-08  
a 5.292423581628173 1.5983e-07 au
q 5.164438210485031 4.0182e-07 au
i 15.41067552225332 1.0129e-05 deg
node 348.7615154258415 2.023e-05 deg
peri 78.24019817905172 0.00025336 deg
M 296.516309402301 0.0002578 deg
tp 2459784.723742057168
(2022-Jul-24.22374206)
0.003197 TDB
period 4447.135074891396
12.18
0.00020145
5.515e-07
d
yr
n .08095099292858594 3.6671e-09 deg/d
Q 5.420408952771314 1.637e-07 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      8757 days (23.98 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:34  

Additional Information
 Earth MOID = 4.21235 au 
 Jupiter MOID = .124008 au 
 T_jup = 2.927 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO455307  
diameter diameter 15.154 km 1.001 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.040   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

312948 (1995 SF80)          Discovered 1995-Sep-26 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

Alternate Designations
 1995 SF80 = 2008 SQ32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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