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100273 (1994 WO1)
Classification: Main-belt Asteroid          SPK-ID: 2100273
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2479119108486347 3.9339e-08  
a 2.406242385269791 6.6918e-09 au
q 1.80970623757258 9.3954e-08 au
i 8.647346141349509 3.7947e-06 deg
node 68.9493204817217 2.822e-05 deg
peri 318.110426095168 2.9203e-05 deg
M 327.2628839416726 6.4655e-06 deg
tp 2459124.478221758219
(2020-Oct-01.97822176)
2.4596e-05 TDB
period 1363.350386559347
3.73
5.6872e-06
1.557e-08
d
yr
n .2640553767755353 1.1015e-09 deg/d
Q 3.002778532967001 8.3507e-09 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      9469 days (25.92 yr)  
   first obs. used      1994-11-27  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:04  

Additional Information
 Earth MOID = .825664 au 
 Jupiter MOID = 2.46063 au 
 T_jup = 3.465 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457681.5 (2016-Oct-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2500173078837323 3.9487e-08  
q 1.804099971206702 9.4515e-08 au
tp 2457760.851881306977
(2017-Jan-07.35188131)
2.3451e-05 TDB
node 68.96734854617073 2.821e-05 deg
peri 318.0426833385487 2.9164e-05 deg
i 8.652600404502721 3.7993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      9469 days (25.92 yr)  
   first obs. used      1994-11-27  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:04  

Additional Information
 Jupiter MOID = 2.46063 au 
 T_jup = 3.465 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.559186095233872E-15 -3.727015219107478E-15 -3.055038334627309E-14 -2.13687564928841E-14 4.349742072346318E-14 -6.636237867444902E-15
q -3.727015219107478E-15 8.933026572298929E-15 7.207883064665E-14 4.973740406006432E-14 -1.039871327311756E-13 1.584868950504396E-14
tp -3.055038334627309E-14 7.207883064665E-14 5.4993224023694E-10 -1.111385217469107E-11 1.892689422834912E-10 1.153696872865062E-12
node -2.13687564928841E-14 4.973740406006432E-14 -1.111385217469107E-11 7.95811631769785E-10 -7.899422092899551E-10 -3.29109230834817E-11
peri 4.349742072346318E-14 -1.039871327311756E-13 1.892689422834912E-10 -7.899422092899551E-10 8.505516208669031E-10 3.287715092192151E-11
i -6.636237867444902E-15 1.584868950504396E-14 1.153696872865062E-12 -3.29109230834817E-11 3.287715092192151E-11 1.443502047699755E-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 15.9   n/a MPO436467  
diameter diameter 3.623 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100273 (1994 WO1)          Discovered 1994-Nov-27 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 WO1 = 2001 OO30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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