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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2479119116073793 3.8697e-08  
a 2.406242385083854 6.5268e-09 au
q 1.809706235607016 9.2188e-08 au
i 8.647346120233507 3.7902e-06 deg
node 68.94932018143845 2.67e-05 deg
peri 318.1104262620603 2.7743e-05 deg
M 327.2628841627266 6.1341e-06 deg
tp 2459124.478220906699
(2020-Oct-01.97822091)
2.3308e-05 TDB
period 1363.350386401323
3.73
5.547e-06
1.519e-08
d
yr
n .2640553768061416 1.0744e-09 deg/d
Q 3.002778534560692 8.1449e-09 au
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      9486 days (25.97 yr)  
   first obs. used      1994-11-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:05  

Additional Information
 Earth MOID = .825664 au 
 Jupiter MOID = 2.46063 au 
 T_jup = 3.465 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457743.5 (2016-Dec-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2500177215701587 3.8847e-08  
q 1.804104834398703 9.2756e-08 au
tp 2457760.847764968409
(2017-Jan-07.34776497)
2.2527e-05 TDB
node 68.96653066164947 2.669e-05 deg
peri 318.0416247385198 2.7702e-05 deg
i 8.652662365845254 3.7951e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      9486 days (25.97 yr)  
   first obs. used      1994-11-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:05  

Additional Information
 Jupiter MOID = 2.46063 au 
 T_jup = 3.465 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.509084366504061E-15 -3.598545383226216E-15 1.560661956540539E-14 -2.443690586472217E-14 5.510658629152311E-14 -6.462132776177123E-15
q -3.598545383226216E-15 8.603613887970761E-15 -4.618869070352128E-14 5.738846468719723E-14 -1.335263539440551E-13 1.540182144136667E-14
tp 1.560661956540539E-14 -4.618869070352128E-14 5.074809518352156E-10 -1.00424018796465E-11 1.803226053657657E-10 9.54372488919764E-13
node -2.443690586472217E-14 5.738846468719723E-14 -1.00424018796465E-11 7.123348793383565E-10 -7.073793290166899E-10 -3.446388739433766E-11
peri 5.510658629152311E-14 -1.335263539440551E-13 1.803226053657657E-10 -7.073793290166899E-10 7.674268430962022E-10 3.437200097908975E-11
i -6.462132776177123E-15 1.540182144136667E-14 9.54372488919764E-13 -3.446388739433766E-11 3.437200097908975E-11 1.440251095784811E-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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