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442080 (2010 SD8)
Classification: Main-belt Asteroid          SPK-ID: 2442080
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09687771993039118 5.191e-08  
a 3.059316000723941 4.8606e-08 au
q 2.762936442027243 1.7016e-07 au
i 9.29303834564201 7.179e-06 deg
node 341.1775892709891 3.8426e-05 deg
peri 254.4350630904277 5.6093e-05 deg
M 40.8428319448175 3.8621e-05 deg
tp 2458778.757836411911
(2019-Oct-22.25783641)
0.00020999 TDB
period 1954.496666626005
5.35
4.6579e-05
1.275e-07
d
yr
n .184190644142391 4.3896e-09 deg/d
Q 3.355695559420639 5.3315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      4485 days (12.28 yr)  
   first obs. used      2008-03-05  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:33  

Additional Information
 Earth MOID = 1.77098 au 
 Jupiter MOID = 1.73956 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457566.5 (2016-Jun-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09492049362135105 5.2127e-08  
q 2.76715693648159 1.7007e-07 au
tp 2456825.434826303674
(2014-Jun-16.93482630)
0.00022184 TDB
node 341.2693013019571 3.8447e-05 deg
peri 254.0933285362911 5.6662e-05 deg
i 9.291242461263888 7.1765e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      4485 days (12.28 yr)  
   first obs. used      2008-03-05  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:33  

Additional Information
 Jupiter MOID = 1.73956 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.717199385517354E-15 -8.569659066539234E-15 2.130947324722614E-13 2.317070496450468E-14 -3.527343906365562E-14 -3.401825254789085E-15
q -8.569659066539234E-15 2.892473597624139E-14 -3.304318521981296E-12 -7.970734726489415E-14 -2.347135934356504E-13 1.472401931639045E-14
tp 2.130947324722614E-13 -3.304318521981296E-12 4.921194195977713E-8 -1.245653960820187E-10 9.243208646627012E-9 4.784290813837239E-12
node 2.317070496450468E-14 -7.970734726489415E-14 -1.245653960820187E-10 1.47814756352416E-9 -1.482824857492615E-9 -3.883818780382004E-11
peri -3.527343906365562E-14 -2.347135934356504E-13 9.243208646627012E-9 -1.482824857492615E-9 3.210615967319904E-9 3.970911968252128E-11
i -3.401825254789085E-15 1.472401931639045E-14 4.784290813837239E-12 -3.883818780382004E-11 3.970911968252128E-11 5.150239975300536E-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 16.7   n/a MPO434641  

442080 (2010 SD8)          Discovered 2008-Mar-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2010 SD8 = 2008 FB31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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