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JPL Small-Body Database Browser
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379070 (2008 WS103)
Classification: Main-belt Asteroid          SPK-ID: 2379070
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400869200952903 1.206e-07  
a 2.907154537435687 2.736e-08 au
q 2.499900212045274 3.5097e-07 au
i 10.06020933866075 1.1997e-05 deg
node 229.7757205699295 4.4686e-05 deg
peri 172.9187103274447 6.307e-05 deg
M 125.0049035988546 3.7409e-05 deg
tp 2458371.826501378499
(2018-Sep-10.32650138)
0.00018595 TDB
period 1810.508651964708
4.96
2.5558e-05
6.997e-08
d
yr
n .1988391492133104 2.8069e-09 deg/d
Q 3.314408862826101 3.1192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      9237 days (25.29 yr)  
   first obs. used      1993-10-11  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:57:13  

Additional Information
 Earth MOID = 1.50923 au 
 Jupiter MOID = 2.0837 au 
 T_jup = 3.247 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457081.5 (2015-Feb-28.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387256332696962 1.2027e-07  
q 2.506335816139693 3.4995e-07 au
tp 2456563.418074966652
(2013-Sep-27.91807497)
0.00018523 TDB
node 229.8374963175676 4.4717e-05 deg
peri 173.5480476206568 6.3466e-05 deg
i 10.05181984245121 1.199e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      9237 days (25.29 yr)  
   first obs. used      1993-10-11  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:57:13  

Additional Information
 Jupiter MOID = 2.0837 au 
 T_jup = 3.247 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.446518613216961E-14 -4.19949249209044E-14 -1.570575689417976E-12 8.465347307941545E-14 -9.439460772382794E-13 1.368636062433657E-14
q -4.19949249209044E-14 1.224684657310841E-13 4.62081159956169E-12 -2.519459375959494E-13 2.789947037978553E-12 -3.99239263781774E-14
tp -1.570575689417976E-12 4.62081159956169E-12 3.430855055552872E-8 -3.798617380748502E-11 8.342385664218306E-9 -2.138028776758824E-11
node 8.465347307941545E-14 -2.519459375959494E-13 -3.798617380748502E-11 1.999576550937341E-9 -1.978253421117893E-9 8.553410034373215E-11
peri -9.439460772382794E-13 2.789947037978553E-12 8.342385664218306E-9 -1.978253421117893E-9 4.027922098653242E-9 -8.933791984920315E-11
i 1.368636062433657E-14 -3.99239263781774E-14 -2.138028776758824E-11 8.553410034373215E-11 -8.933791984920315E-11 1.437624192510193E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO418927  

379070 (2008 WS103)          Discovered 2008-Nov-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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