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30566 Stokes (2001 OO81)
Classification: Main-belt Asteroid          SPK-ID: 2030566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250165185462936 4.2515e-08  
a 2.380347362096995 7.784e-09 au
q 1.844729885747075 9.9166e-08 au
i 3.052174373968082 4.2049e-06 deg
node 106.3507998427344 8.3745e-05 deg
peri 263.7462844600959 8.4329e-05 deg
M 61.82603358905961 1.0563e-05 deg
tp 2458970.128994186573
(2020-Apr-30.62899419)
3.8764e-05 TDB
period 1341.401951224461
3.67
6.5798e-06
1.801e-08
d
yr
n .2683759328599337 1.3164e-09 deg/d
Q 2.915964838446914 9.5355e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      9603 days (26.29 yr)  
   first obs. used      1994-10-04  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:39:59  

Additional Information
 Earth MOID = .845869 au 
 Jupiter MOID = 2.55047 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456840.5 (2014-Jul-02.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2265039882335752 4.2617e-08  
q 1.840380659133321 9.9532e-08 au
tp 2456288.874365742830
(2012-Dec-27.37436574)
3.3591e-05 TDB
node 106.3926699851412 8.386e-05 deg
peri 263.7882517641019 8.443e-05 deg
i 3.051159447886607 4.203e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      9603 days (26.29 yr)  
   first obs. used      1994-10-04  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:39:59  

Additional Information
 Jupiter MOID = 2.55047 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.816247473430708E-15 -4.235097023654041E-15 2.815799802534719E-13 -8.36184219189358E-15 4.353165945077101E-14 -2.044048500778908E-15
q -4.235097023654041E-15 9.906641176173577E-15 -6.340734434569533E-13 1.863811690785832E-14 -9.190089139255972E-14 4.753998858655432E-15
tp 2.815799802534719E-13 -6.340734434569533E-13 1.128382359654059E-9 -1.585142713211393E-11 3.449957634931778E-10 -1.344487535090824E-12
node -8.36184219189358E-15 1.863811690785832E-14 -1.585142713211393E-11 7.032490999527497E-9 -7.026784841733792E-9 -3.412597079865095E-11
peri 4.353165945077101E-14 -9.190089139255972E-14 3.449957634931778E-10 -7.026784841733792E-9 7.128471677895085E-9 3.376268179640709E-11
i -2.044048500778908E-15 4.753998858655432E-15 -1.344487535090824E-12 -3.412597079865095E-11 3.376268179640709E-11 1.766524787624562E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.31   n/a E2021B10  

30566 Stokes           Discovered 2001 July 29 by P. G. Comba at Prescott.
George Gabriel Stokes (1819-1903) was a British physicist and mathematician noted for his studies of the behavior of viscous fluids and for a fundamental theorem in vector analysis.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 2001 OO81 = 1994 VV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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